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2.
  • Adami, Johanna, et al. (författare)
  • Evidence of an association between non-Hodgkin´s lymphoma and skin cancer
  • 1995
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 0959-8138 .- 1468-5833. ; 310:6993, s. 1491-1495
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE--To investigate a possible link between exposure to ultraviolet light and the almost epidemic increase in non-Hodgkin's lymphoma worldwide. Because ultraviolet light is known to cause skin cancers, the association between non-Hodgkin's lymphoma and skin cancer was studied. DESIGN--Secondary occurrence of either malignant melanoma or squamous cell skin cancer in cohorts of patients with a first diagnosis of either non-Hodgkin's lymphoma or chronic lymphocytic leukaemia, and vice versa, were studied. Expected numbers of subsequent cancers were calculated by sex, age, and period specific national incidence rates multiplied by the person years under observation in the cohorts. SETTING--Denmark (1943-89) and Sweden (1958-89). SUBJECTS--Four population based cohorts identified in the nationwide cancer registries (34,641 people with non-Hodgkin's lymphoma, 17,400 with chronic lymphocytic leukaemia, 34,989 with malignant melanoma, 25,980 with squamous cell skin cancer). A total of 562,085 person years were accrued for the analysis. MAIN OUTCOME MEASURES--The ratios of observed to expected cancers (the standardised incidence ratio) served as a measure of the relative risk. RESULTS--The relative risk for developing squamous cell skin cancer was 5.5 (95% confidence interval 4.6 to 6.6) among patients with non-Hodgkin's lymphoma and 8.6 (7.2 to 10.3) among patients with chronic lymphocytic leukaemia. The relative risks remained high over more than 15 years of follow up. Relative risks for malignant melanoma were 2.4 (1.8 to 3.2) for patients with non-Hodgkin's lymphoma and 3.1 (2.1 to 4.4) for patients with chronic lymphocytic leukaemia. After squamous cell skin cancer had been diagnosed there was a twofold excess risk for non-Hodgkin's lymphoma and chronic lymphocytic leukaemia. By contrast, in each of the cohorts the general cancer risks excluding skin and lymphoproliferative malignancies were close to the expected. CONCLUSIONS--The occurrence of non-Hodgkin's lymphoma and skin cancer are strongly associated; this supports the hypothesis that the secular increase in exposure to ultraviolet light may have contributed to the increasing incidence of non-Hodgkin's lymphoma in recent decades.
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  • Ahlbom, A, et al. (författare)
  • Mobile telephones and brain tumours
  • 2011
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 1756-1833 .- 0959-8138 .- 1468-5833. ; 343, s. d6605-
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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  • Andersson, Ola, et al. (författare)
  • Effect of delayed versus early umbilical cord clamping on neonatal outcomes and iron status at 4 months : a randomised controlled trial
  • 2011
  • Ingår i: BMJ. British Medical Journal. - : BMJ, british Medical Association. - 0959-8146 .- 0959-535X. ; 343, s. d7157-
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To investigate the effects of delayed umbilical cord clamping, compared with early clamping, on infant iron status at 4 months of age in a European setting. DESIGN: Randomised controlled trial. SETTING: Swedish county hospital. PARTICIPANTS: 400 full term infants born after a low risk pregnancy. INTERVENTION: Infants were randomised to delayed umbilical cord clamping (≥180 seconds after delivery) or early clamping (≤10 seconds after delivery). MAIN OUTCOME MEASURES: Haemoglobin and iron status at 4 months of age with the power estimate based on serum ferritin levels. Secondary outcomes included neonatal anaemia, early respiratory symptoms, polycythaemia, and need for phototherapy. RESULTS: At 4 months of age, infants showed no significant differences in haemoglobin concentration between the groups, but infants subjected to delayed cord clamping had 45% (95% confidence interval 23% to 71%) higher mean ferritin concentration (117 μg/L v 81 μg/L, P<0.001) and a lower prevalence of iron deficiency (1 (0.6%) v 10 (5.7%), P=0.01, relative risk reduction 0.90; number needed to treat=20 (17 to 67)). As for secondary outcomes, the delayed cord clamping group had lower prevalence of neonatal anaemia at 2 days of age (2 (1.2%) v 10 (6.3%), P=0.02, relative risk reduction 0.80, number needed to treat 20 (15 to 111)). There were no significant differences between groups in postnatal respiratory symptoms, polycythaemia, or hyperbilirubinaemia requiring phototherapy. CONCLUSIONS: Delayed cord clamping, compared with early clamping, resulted in improved iron status and reduced prevalence of iron deficiency at 4 months of age, and reduced prevalence of neonatal anaemia, without demonstrable adverse effects. As iron deficiency in infants even without anaemia has been associated with impaired development, delayed cord clamping seems to benefit full term infants even in regions with a relatively low prevalence of iron deficiency anaemia. Trial registration Clinical Trials NCT01245296.
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  • Andrae, Bengt, et al. (författare)
  • Screening and cervical cancer cure: population based cohort study.
  • 2012
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 1756-1833 .- 0959-8138 .- 1468-5833. ; 344
  • Tidskriftsartikel (refereegranskat)abstract
    • To determine whether detection of invasive cervical cancer by screening results in better prognosis or merely increases the lead time until death.
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  • Auvinen, A, et al. (författare)
  • Indoor radon and deaths from lung cancer
  • 2009
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 1756-1833 .- 0959-8138 .- 1468-5833. ; 338, s. a3128-
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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  • Beckman, Nils, et al. (författare)
  • Secular trends in self reported sexual activity and satisfaction in Swedish 70 year olds: cross sectional survey of four populations, 1971-2001.
  • 2008
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 1468-5833 .- 0959-8138. ; 337
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To study secular trends in self reported sexual behaviour among 70 year olds. DESIGN: Cross sectional survey. Settings Four samples representative of the general population in Gothenburg, Sweden. PARTICIPANTS: 1506 adults (946 women, 560 men) examined in 1971-2, 1976-7, 1992-3, and 2000-1. MAIN OUTCOME MEASURES: Sexual intercourse, attitudes to sexuality in later life, sexual dysfunctions, and marital satisfaction. RESULTS: From 1971 to 2000 the proportion of 70 year olds reporting sexual intercourse increased among all groups: married men from 52% to 68% (P=0.002), married women from 38% to 56% (P=0.001), unmarried men from 30% to 54% (P=0.016), and unmarried women from 0.8% to 12% (P<0.001). Men and women from later birth cohorts reported higher satisfaction with sexuality, fewer sexual dysfunctions, and more positive attitudes to sexuality in later life than those from earlier birth cohorts. A larger proportion of men (57% v 40%, P<0.001) and women (52% v 35%, P<0.001) reported very happy relationships in 2000-1 compared with those in 1971-2. Sexual debut before age 20 increased in both sexes: in men from 52% to 77% (P<0.001) and in women from 19% to 64% (P<0.001). CONCLUSION: Self reported quantity and quality of sexual experiences among Swedish 70 year olds has improved over a 30 year period.
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16.
  • Benn, Christine Stabell, et al. (författare)
  • Vitamin A supplementation and BCG vaccination at birth in low birthweight neonates: two by two factorial randomised controlled trial
  • 2010
  • Ingår i: BMJ: British Medical Journal. - : BMJ. - 1756-1833. ; 340
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective To investigate the effect of vitamin A supplementation and BCG vaccination at birth in low birthweight neonates. Design Randomised, placebo controlled, two by two factorial trial. Setting Bissau, Guinea-Bissau. Participants 1717 low birthweight neonates born at the national hospital. Intervention Neonates who weighed less than 2.5 kg were randomly assigned to 25 000 IU vitamin A or placebo, as well as to early BCG vaccine or the usual late BCG vaccine, and were followed until age 12 months. Main outcome measure Mortality, calculated as mortality rate ratios (MRRs), after follow-up to 12 months of age for infants who received vitamin A supplementation compared with those who received placebo. Results No interaction was observed between vitamin A supplementation and BCG vaccine allocation (P=0.73). Vitamin A supplementation at birth was not significantly associated with mortality: the MRR of vitamin A supplementation compared with placebo, controlled for randomisation to "early BCG" versus "no early BCG" was 1.08 (95% CI 0.79 to 1.47). Stratification by sex revealed a significant interaction between vitamin A supplementation and sex (P=0.046), the MRR of vitamin A supplementation being 0.74 ( 95% CI 0.45 to 1.22) in boys and 1.42 (95% CI 0.94 to 2.15) in girls. When these data were combined with data from a complementary trial among normal birthweight neonates in Guinea-Bissau, the combined estimate of the effect of neonatal vitamin A supplementation on mortality was 1.08 ( 95% CI 0.87 to 1.33); 0.80 ( 95% CI 0.58 to 1.10) in boys and 1.41 ( 95% CI 1.04 to 1.90) in girls (P=0.01 for interaction between neonatal vitamin A and sex). Conclusions The combined results of this trial and the complementary trial among normal birthweight neonates have now shown that, overall, it would not be beneficial to implement a neonatal vitamin A supplementation policy in Guinea-Bissau. Worryingly, the trials show that vitamin A supplementation at birth can be harmful in girls. Previous studies and future trials should investigate the possibility that vitamin A supplementation has sex differential effects.
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  • Bergstrom, S, et al. (författare)
  • Health for all by the year 2000?
  • 1996
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 0959-8138 .- 1468-5833. ; 313:7053, s. 316-316
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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  • Bjermer, Leif, et al. (författare)
  • Montelukast and fluticasone compared with salmeterol and fluticasone in protecting against asthma exacerbation in adults: one year, double blind, randomised, comparative trial
  • 2003
  • Ingår i: BMJ: British Medical Journal. - : BMJ. - 1756-1833. ; 327:7420, s. 891-895
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives To assess the effect of montelukast versus salmeterol added to inhaled fluticasone propionate on asthma exacerbation in patients whose symptoms are inadequately controlled with fluticasone alone. Design and setting A 52 week, two period, double blind, multicentre trial during which patients whose symptoms remained uncontrolled by inhaled corticosteroids were randomised to add montelukast or salmeterol. Participants Patients (15-72 years; n = 1490) had a clinical history of chronic asthma for greater than or equal to1 year, a baseline forced expiratory volume in one second (FEV1) value 50-90% predicted, and a beta agonist improvement of greater than or equal to 12% in FEV1. Main outcome measures The primary end point was the percentage of patients with at least one asthma exacerbation. Results 20.1% of the patients in the group receiving montelukast and fluticasone had an asthma exacerbation compared with 19.1% in the group receiving salmeterol and fluticasone; the difference was 1% (95% confidence interval - 3.1% to 5.0%). With a risk ratio (montelukast-fluticasone/ salmeterol-fluticasone) of 1.05 (0.86 to 1.29), treatment with montelukast and fluticasone was shown to be non-inferior to treatment with salmeterol and fluticasone. Salmeterol and fluticasonc significantly increased FEV1 before a beta agonist was used and morning peak expiratory flow compared with montelukast and fluticasone (P less than or equal to0.001), whereas FEV1 after a beta agonist was used and improvements in asthma specific quality of life and nocturnal awakenings were similar between the groups. Montelukast and fluticasone significantly (P = 0.011) reduced peripheral blood eosinophil counts compared with salmeterol and fluticasone. Both treatments were generally well tolerated. Conclusion The addition of montelukast in patients whose symptoms remain uncontrolled by inhaled fluticasone could provide equivalent clinical control to salmeterol.
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  • Bobak, M, et al. (författare)
  • Life span and disability : a cross sectional comparison of Russian and Swedish community based data
  • 2004
  • Ingår i: The BMJ. - : BMJ. - 1756-1833. ; 329:7469, s. 767-770
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives To compare levels of disability (in terms of physical function and self rated health) among middle aged and elderly people in Russia and Sweden, a country with high life expectancy. Design Cross sectional study. Setting General population of the Russian Federation and of two counties in southern Sweden. Participants Randomly selected men and women in Sweden (n = 9489) and Russia (n = 1599). Main outcome measures Official life table data, self rated health and physical functioning (subscale of the SF-36). Results The official life table data showed large differences in mortality-for example, 36% of Russian men aged 45-49 years would survive the next 25 years compared with 75% of Swedish men. The survey data showed, for both sexes, similar levels of self rated health and physical functioning in the two countries up to the age of about 45 years, but after that, the age related decline in both outcomes was much faster in Russia than in Sweden. By combining the national life tables with survey data on physical functioning we estimated that in the age group 45-49 years, 99% of Russian and 97% of Swedish men would be free of disability, of these, if these data were for a cohort, only 17% of Russians would be alive and free of disability 25 years later compared with 65% of Swedes. The difference in survival was similar in women. Conclusions Large differences exist in survival without disability between elderly Russians and Swedes. The short life span in Russia reflects high levels of ill health and disability and is associated with a rapid age related decline in physical functioning.
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  • Boman, Magnus (författare)
  • Commentary : The joy of mesh
  • 2009
  • Ingår i: BMJ. British Medical Journal. - : BMJ. - 0959-8146 .- 0959-535X. ; 337, s. a2500-
  • Tidskriftsartikel (refereegranskat)
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  • Butler, C.C., et al. (författare)
  • Variation in antibiotic prescribing and its impact on recovery in patients with acute cough in primary care : Prospective study in 13 countries
  • 2009
  • Ingår i: BMJ. - : BMJ. - 0959-8146 .- 0959-8138 .- 1468-5833. ; 338:7710, s. 1545-
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To describe variation in antibiotic prescribing for acute cough in contrasting European settings and the impact on recovery. Design: Cross sectional observational study with clinicians from 14 primary care research networks in 13 European countries who recorded symptoms on presentation and management. Patients followed up for 28 days with patient diaries. Setting: Primary care. Participants: Adults with a new or worsening cough or clinical presentation suggestive of lower respiratory tract infection. Main outcome measures: Prescribing of antibiotics by clinicians and total symptom severity scores over time. Results: 3402 patients were recruited (clinicians completed a case report form for 99% (3368) of participants and 80% (2714) returned a symptom diary). Mean symptom severity scores at presentation ranged from 19 (scale range 0 to 100) in networks based in Spain and Italy to 38 in the network based in Sweden. Antibiotic prescribing by networks ranged from 20% to nearly 90% (53% overall), with wide variation in classes of antibiotics prescribed. Amoxicillin was overall the most common antibiotic prescribed, but this ranged from 3% of antibiotics prescribed in the Norwegian network to83% in the English network. While fluoroquinolones were not prescribed at all in three networks, they were prescribed for 18% in the Milan network. After adjustment for clinical presentation and demographics, considerable differences remained in antibiotic prescribing, ranging from Norway (odds ratio 0.18, 95% confidence interval 0.11 to 0.30) to Slovakia (11.2, 6.20 to 20.27) compared with the overall mean (proportion prescribed: 0.53). The rate of recovery was similar for patients who were and were not prescribed antibiotics (coefficient -0.01, Pless than0.01) once clinical presentation was taken into account. Conclusions: Variation in clinical presentation does not explain the considerable variation in antibiotic prescribing for acute cough in Europe. Variation in antibiotic prescribing is not associated with clinically important differences in recovery. Trial registration: Clinicaltrials.gov NCT00353951.
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30.
  • Byberg, Liisa, et al. (författare)
  • Total mortality after changes in leisure time physical activity in 50 year old men : 35 year follow-up of population based cohort
  • 2009
  • Ingår i: British Journal of Sports Medicine. - : BMJ Publishing Group Ltd. - 0306-3674 .- 1473-0480. ; 338, s. b688-
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To examine how change in level of physical activity after middle age influences mortality and to compare it with the effect of smoking cessation.Design: Population based cohort study with follow-up over 35 years.Setting: Municipality of Uppsala, Sweden.Participants: 2205 men aged 50 in 1970-3 who were reexamined at ages 60, 70, 77, and 82 years.Main Outcome Measure: Total (all cause) mortality.Results: The absolute mortality rate was 27.1, 23.6, and 18.4 per 1000 person years in the groups with low, medium, and high physical activity, respectively. The relative rate reduction attributable to high physical activity was 32% for low and 22% for medium physical activity. Men who increased their physical activity level between the ages of 50 and 60 continued to have a higher mortality rate during the first five years of follow-up (adjusted hazard ratio 2.64, 95% confidence interval 1.32 to 5.27, compared with unchanged high physical activity). After 10 years of follow-up their increased physical activity was associated with reduced mortality to the level of men with unchanged high physical activity (1.10, 0.87 to 1.38). The reduction in mortality associated with increased physical activity (0.51, 0.26 to 0.97, compared with unchanged low physical activity) was similar to that associated with smoking cessation (0.64, 0.53 to 0.78, compared with continued smoking).Conclusions: Increased physical activity in middle age is eventually followed by a reduction in mortality to the same level as seen among men with constantly high physical activity. This reduction is comparable with that associated with smoking cessation
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  • Byberg, Liisa, et al. (författare)
  • Total mortality after changes in leisure time physical activity in 50 year old men : 35 year follow-up of population based cohort
  • 2009
  • Ingår i: The BMJ. - : BMJ. - 1756-1833 .- 0959-8138 .- 1468-5833. ; 43:7, s. 482-
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To examine how change in level of physical activity after middle age influences mortality and to compare it with the effect of smoking cessation. DESIGN: Population based cohort study with follow-up over 35 years. SETTING: Municipality of Uppsala, Sweden. PARTICIPANTS: 2205 men aged 50 in 1970-3 who were re-examined at ages 60, 70, 77, and 82 years. MAIN OUTCOME MEASURE: Total (all cause) mortality. RESULTS: The absolute mortality rate was 27.1, 23.6, and 18.4 per 1000 person years in the groups with low, medium, and high physical activity, respectively. The relative rate reduction attributable to high physical activity was 32% for low and 22% for medium physical activity. Men who increased their physical activity level between the ages of 50 and 60 continued to have a higher mortality rate during the first five years of follow-up (adjusted hazard ratio 2.64, 95% confidence interval 1.32 to 5.27, compared with unchanged high physical activity). After 10 years of follow-up their increased physical activity was associated with reduced mortality to the level of men with unchanged high physical activity (1.10, 0.87 to 1.38). The reduction in mortality associated with increased physical activity (0.51, 0.26 to 0.97, compared with unchanged low physical activity) was similar to that associated with smoking cessation (0.64, 0.53 to 0.78, compared with continued smoking). CONCLUSIONS: Increased physical activity in middle age is eventually followed by a reduction in mortality to the same level as seen among men with constantly high physical activity. This reduction is comparable with that associated with smoking cessation.
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  • Clarke, Robert, et al. (författare)
  • Lowering blood homocysteine with folic acid based supplements : Meta-analysis of randomised trials
  • 1998
  • Ingår i: British Medical Journal. - : BMJ. - 0959-8146. ; 316:7135, s. 894-898
  • Forskningsöversikt (refereegranskat)abstract
    • Objective: To determine the size of reduction in homocysteine concentrations produced by dietary supplementation with folic acid and with vitamins B-12 or B-6. Design: Meta-analysis of randomised controlled trials that assessed the effects of folic acid based supplements on blood homocysteine concentration. Multivariate regression analysis was used to determine the effects on homocysteine concentrations of different doses of folic acid and of the addition of vitamin B-12 or B-6. Subjects: Individual data on 1114 people included in 12 trials. Findings: The proportional and absolute reductions in blood homocysteine produced by folic acid supplements were greater at higher pretreatment blood homocysteine concentrations (P < 0.001) and at lower pretreatment blood folate concentrations (P < 0.001). After standardisation to pretreatment blood concentrations of homocysteine of 12 μmol/l and of folate of 12 nmol/l (approximate average concentrations for Western populations), dietary folic acid reduced blood homocysteine concentrations by 25% (95% confidence interval 23% to 28%; P < 0.001), with similar effects in the range of 0.5-5 mg folic acid daily. Vitamin B-12 (mean 0.5 mg daily) produced an additional 7% (3% to 10%) reduction in blood homocysteine. Vitamin B-6 (mean 16.5 mg daily) did not have a significant additional effect. Conclusions: Typically in Western populations, daily supplementation with both 0.5-5 mg folic acid and about 0.5 mg vitamin B-12 would be expected to reduce blood homocysteine concentrations by about a quarter to a third (for example, from about 12 μmol/l to 8-9 μmol/l). Large scale randomised trials of such regimens in high risk populations are now needed to determine whether lowering blood homocysteine concentrations reduces the risk of vascular disease.
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  • Coulombier, D, et al. (författare)
  • H5N1 influenza and the implications for Europe
  • 2005
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 1756-1833 .- 0959-8138 .- 1468-5833. ; 331:7514, s. 413-414
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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  • de Kok, Inge M. C. M., et al. (författare)
  • Primary screening for human papillomavirus compared with cytology screening for cervical cancer in European settings: cost effectiveness analysis based on a Dutch microsimulation model
  • 2012
  • Ingår i: BMJ: British Medical Journal. - : BMJ. - 1756-1833 .- 0959-8138 .- 1468-5833. ; 344
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives To investigate, using a Dutch model, whether and under what variables framed for other European countries screening for human papillomavirus (HPV) is preferred over cytology screening for cervical cancer, and to calculate the preferred number of examinations over a woman's lifetime. Design Cost effectiveness analysis based on a Dutch simulation model. Base case analyses investigated the cost effectiveness of more than 1500 different screening policies using the microsimulation model. Subsequently, the policies were compared for five different scenarios that represent different possible scenarios (risk of cervical cancer, previous screening, quality associated test characteristics, costs of testing, and prevalence of HPV). Setting Various European countries. Population Unvaccinated women born between 1939 and 1992. Main outcome measures Optimal screening strategy in terms of incremental cost effectiveness ratios (costs per quality adjusted life years gained) compared with different cost effectiveness thresholds, for two levels of sensitivity and costs of the HPV test. Results Primary HPV screening was the preferred primary test over the age of 30 in many considered scenarios. Primary cytology screening was preferred only in scenarios with low costs of cytology and in scenarios with a high prevalence of HPV in combination with high costs of HPV testing. Conclusions Most European countries should consider switching from primary cytology to HPV screening for cervical cancer. HPV screening must, however, only be implemented in situations where screening is well controlled.
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  • de-Wahl Granelli, Anne, 1970, et al. (författare)
  • Impact of pulse oximetry screening on the detection of duct dependent congenital heart disease: a Swedish prospective screening study in 39,821 newborns.
  • 2009
  • Ingår i: BMJ (Clinical research ed.). - 1468-5833. ; 338
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To evaluate the use of pulse oximetry to screen for early detection of life threatening congenital heart disease. DESIGN: Prospective screening study with a new generation pulse oximeter before discharge from well baby nurseries in West Götaland. Cohort study comparing the detection rate of duct dependent circulation in West Götaland with that in other regions not using pulse oximetry screening. Deaths at home with undetected duct dependent circulation were included. SETTING: All 5 maternity units in West Götaland and the supraregional referral centre for neonatal cardiac surgery. PARTICIPANTS: 39,821 screened babies born between 1 July 2004 and 31 March 2007. Total duct dependent circulation cohorts: West Götaland n=60, other referring regions n=100. MAIN OUTCOME MEASURES: Sensitivity, specificity, positive and negative predictive values, and likelihood ratio for pulse oximetry screening and for neonatal physical examination alone. RESULTS: In West Götaland 29 babies in well baby nurseries had duct dependent circulation undetected before neonatal discharge examination. In 13 cases, pulse oximetry showed oxygen saturations
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  • Diderichsen, F (författare)
  • Devolution in Swedish health care
  • 1999
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 0959-8138 .- 1468-5833. ; 318:7192, s. 1156-1157
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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  • Dillner, Joakim, et al. (författare)
  • Four year efficacy of prophylactic human papillomavirus quadrivalent vaccine against low grade cervical, vulvar, and vaginal intraepithelial neoplasia and anogenital warts: randomised controlled trial.
  • 2010
  • Ingår i: BMJ: British Medical Journal. - : BMJ. - 1756-1833 .- 0959-8138 .- 1468-5833. ; 341
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To evaluate the prophylactic efficacy of the human papillomavirus (HPV) quadrivalent vaccine in preventing low grade cervical, vulvar, and vaginal intraepithelial neoplasias and anogenital warts (condyloma acuminata). DESIGN: Data from two international, double blind, placebo controlled, randomised efficacy trials of quadrivalent HPV vaccine (protocol 013 (FUTURE I) and protocol 015 (FUTURE II)). The trials were to be 4 years in length, and the results reported are from final study data of 42 months' follow-up. SETTING: Primary care centres and university or hospital associated health centres in 24 countries and territories around the world. PARTICIPANTS: 17 622 women aged 16-26 years enrolled between December 2001 and May 2003. Major exclusion criteria were lifetime number of sexual partners (>4), history of abnormal cervical smear test results, and pregnancy. INTERVENTION: Three doses of quadrivalent HPV vaccine (for serotypes 6, 11, 16, and 18) or placebo at day 1, month 2, and month 6. MAIN OUTCOME MEASURES: Vaccine efficacy against cervical, vulvar, and vaginal intraepithelial neoplasia grade I and condyloma in a per protocol susceptible population that included subjects who received all three vaccine doses, tested negative for the relevant vaccine HPV types at day 1 and remained negative through month 7, and had no major protocol violations. Intention to treat, generally HPV naive, and unrestricted susceptible populations were also studied. RESULTS: In the per protocol susceptible population, vaccine efficacy against lesions related to the HPV types in the vaccine was 96% for cervical intraepithelial neoplasia grade I (95% confidence interval 91% to 98%), 100% for both vulvar and vaginal intraepithelial neoplasia grade I (95% CIs 74% to 100%, 64% to 100% respectively), and 99% for condyloma (96% to 100%). Vaccine efficacy against any lesion (regardless of HPV type) in the generally naive population was 30% (17% to 41%), 75% (22% to 94%), and 48% (10% to 71%) for cervical, vulvar, and vaginal intraepithelial neoplasia grade I, respectively, and 83% (74% to 89%) for condyloma. CONCLUSIONS: Quadrivalent HPV vaccine provided sustained protection against low grade lesions attributable to vaccine HPV types (6, 11, 16, and 18) and a substantial reduction in the burden of these diseases through 42 months of follow-up. TRIAL REGISTRATIONS: NCT00092521 and NCT00092534.
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  • Dillner, Joakim, et al. (författare)
  • Long term predictive values of cytology and human papillomavirus testing in cervical cancer screening: joint European cohort study.
  • 2008
  • Ingår i: BMJ: British Medical Journal. - : BMJ. - 1756-1833 .- 0959-8138 .- 1468-5833. ; 337
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To obtain large scale and generalisable data on the long term predictive value of cytology and human papillomavirus (HPV) testing for development of cervical intraepithelial neoplasia grade 3 or cancer (CIN3+). DESIGN: Multinational cohort study with joint database analysis. SETTING: Seven primary HPV screening studies in six European countries. PARTICIPANTS: 24,295 women attending cervical screening enrolled into HPV screening trials who had at least one cervical cytology or histopathology examination during follow-up. MAIN OUTCOME MEASURE: Long term cumulative incidence of CIN3+. RESULTS: The cumulative incidence rate of CIN3+ after six years was considerably lower among women negative for HPV at baseline (0.27%, 95% confidence interval 0.12% to 0.45%) than among women with negative results on cytology (0.97%, 0.53% to 1.34%)). By comparison, the cumulative incidence rate for women with negative cytology results at the most commonly recommended screening interval in Europe (three years) was 0.51% (0.23% to 0.77%). The cumulative incidence rate among women with negative cytology results who were positive for HPV increased continuously over time, reaching 10% at six years, whereas the rate among women with positive cytology results who were negative for HPV remained below 3%. CONCLUSIONS: A consistently low six year cumulative incidence rate of CIN3+ among women negative for HPV suggests that cervical screening strategies in which women are screened for HPV every six years are safe and effective.
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48.
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49.
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50.
  • Eggertsen, Robert, 1948, et al. (författare)
  • Screening for thyroid disease in a primary care unit with a thyroid stimulating hormone assay with a low detection limit.
  • 1988
  • Ingår i: BMJ (Clinical research ed.). - : BMJ. - 0959-8138 .- 1468-5833. ; 297:6663, s. 1586-92
  • Tidskriftsartikel (refereegranskat)abstract
    • In a study at a primary care centre in a predominantly rural area of Sweden the records of all patients with established thyroid disease were scrutinised and 2000 consecutive adult patients screened with an immunoenzymometric thyroid stimulating hormone assay. The aims of the study were fourfold: firstly, to assess the total burden of thyroid disease in primary care centres in Sweden; secondly, to assess the efficacy of clinical diagnosis of the disease in unselected populations of patients; thirdly, to assess the efficacy of clinical evaluation of treatment with thyroxine; and, lastly, to see whether a single analysis of the serum thyroid stimulating hormone concentration by recent methods would be enough to identify an abnormality of thyroid function. Of the roughly 17,400 adults in the study community, 111 women and 10 men were being treated for thyroid disease. Screening detected 68 patients (3.5%) not receiving thyroxine who had a serum thyroid stimulating hormone concentration of 0.20 mU/l or less, all of whom were followed up clinically. Fifty of these patients were also studied biochemically during follow up. Only nine of the 68 patients had thyroid disease (three with thyrotoxicosis requiring treatment), no evidence of the disease being found in the remainder. Sixteen patients had spontaneous hypothyroidism requiring treatment, and neither these nor three patients with thyrotoxicosis had been detected at the preceding clinical examination. Of 35 patients in whom thyroid disease was suspected clinically at screening, none had laboratory evidence of thyroid dysfunction. In this series 1.3% of all women in the study community (2.6% of all 50-59 year olds) and 0.1% of the men were being treated for thyroid disease at the primary care centre, roughly 1.0% of adults subjected to screening were found to have thyroid disease requiring treatment, and most patients with a thyroid stimulating hormone concentration of 0.20 mU/l or less did not have thyroid dysfunction. It is concluded that measuring the basal serum thyroid stimulating hormone concentration by present methods is insufficient for the biochemical assessment of thyroid dysfunction in unselected populations.
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