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Träfflista för sökning "WFRF:(Holmberg Lars) ;pers:(Robinson D.)"

Sökning: WFRF:(Holmberg Lars) > Robinson D.

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1.
  • Holmberg, Lars, et al. (författare)
  • A comparison of prostate cancer survival in England, Norway and Sweden : A population-based study
  • 2012
  • Ingår i: Cancer Epidemiology. - : Elsevier BV. - 1877-7821 .- 1877-783X. ; 36:1, s. e7-e12
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose The objective of the study was to compare patterns of survival 2001-2004 in prostate cancer patients from England, Norway and Sweden in relation to age and period of follow-up. Subjects and methods Excess mortality in men with prostate cancer was estimated using nation-wide cancer register data using a period approach for relative survival. 179,112 men in England, 23,192 in Norway and 59,697 in Sweden were included. Results In all age groups, England had the lowest survival, particularly so among men aged 80+. Overall age-standardised five-year survival was 76.4%, 80.3% and 83.0% for England, Norway and Sweden, respectively. The majority of the excess deaths in England were confined to the first year of follow-up. Conclusion The results indicate that a small but important group of older patients present at a late stage and succumb early to their cancers, possibly in combination with severe comorbidity, and this situation is more common in England than in Norway or Sweden.
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2.
  • Møller, H, et al. (författare)
  • Completeness of case ascertainment and survival time error in English cancer registries : impact on 1-year survival estimates
  • 2011
  • Ingår i: British Journal of Cancer. - : Springer Science and Business Media LLC. - 0007-0920 .- 1532-1827. ; 105:1, s. 170-176
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: It has been suggested that cancer registries in England are too dependent on processing of information from death certificates, and consequently that cancer survival statistics reported for England are systematically biased and too low. METHODS: We have linked routine cancer registration records for colorectal, lung, and breast cancer patients with information from the Hospital Episode Statistics (HES) database for the period 2001-2007. Based on record linkage with the HES database, records missing in the cancer register were identified, and dates of diagnosis were revised. The effects of those revisions on the estimated survival time and proportion of patients surviving for 1 year or more were studied. Cases that were absent in the cancer register and present in the HES data with a relevant diagnosis code and a relevant surgery code were used to estimate (a) the completeness of the cancer register. Differences in survival times calculated from the two data sources were used to estimate (b) the possible extent of error in the recorded survival time in the cancer register. Finally, we combined (a) and (b) to estimate (c) the resulting differences in 1-year cumulative survival estimates. RESULTS: Completeness of case ascertainment in English cancer registries is high, around 98-99%. Using HES data added 1.9%, 0.4% and 2.0% to the number of colorectal, lung, and breast cancer registrations, respectively. Around 5-6% of rapidly fatal cancer registrations had survival time extended by more than a month, and almost 3% of rapidly fatal breast cancer records were extended by more than a year. The resulting impact on estimates of 1-year survival was small, amounting to 1.0, 0.8, and 0.4 percentage points for colorectal, lung, and breast cancer, respectively. INTERPRETATION: English cancer registration data cannot be dismissed as unfit for the purpose of cancer survival analysis. However, investigators should retain a critical attitude to data quality and sources of error in international cancer survival studies.
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3.
  • Pettersson, A, et al. (författare)
  • Age at diagnosis and prostate cancer treatment and prognosis : a population-based cohort study
  • 2018
  • Ingår i: Annals of Oncology. - : Elsevier BV. - 0923-7534 .- 1569-8041. ; 29:2, s. 377-385
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Old age at prostate cancer diagnosis has been associated with poor prognosis in several studies. We aimed to investigate the association between age at diagnosis and prognosis, and if it is independent of tumor characteristics, primary treatment, year of diagnosis, mode of detection and comorbidity.Patients and methods: We conducted a nation-wide cohort study including 121,392 Swedish men aged 55-95 years in Prostate Cancer data Base Sweden (PCBaSe) 3.0 diagnosed with prostate cancer in 1998-2012 and followed for prostate cancer death through 2014. Data were available on age, stage, grade, PSA-level, mode of detection, comorbidity, educational level and primary treatment. We used Cox regression to calculate hazard ratios (HR) and 95% confidence intervals (CIs).Results: With increasing age at diagnosis, men had more comorbidity, fewer PSA detected cancers, more advanced cancers and were less often treated with curative intent. Among men with high-risk or regionally metastatic disease, the proportion of men with unknown M stage was higher among old men versus young men. During a follow-up of 751,000 person-years, 23,649 men died of prostate cancer. In multivariable Cox-regression analyses stratified by treatment, old age at diagnosis was associated with poorer prognosis among men treated with deferred treatment (HRage 85+ vs. 60-64: 7.19; 95% CI: 5.61-9.20), androgen deprivation therapy (HRage 85+ vs. 60-64: 1.72; 95% CI: 1.61-1.84) or radical prostatectomy (HRage 75+ vs. 60-64: 2.20; 95% CI: 1.01-4.77), but not radiotherapy (HRage 75+ vs. 60-64: 1.08; 95% CI: 0.76-1.53).Conclusion: Our findings argue against a strong inherent effect of age on risk of prostate cancer death, but indicate that in current clinical practice, old men with prostate cancer receive insufficient diagnostic work-up and subsequent curative treatment.
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5.
  • Robinson, D., et al. (författare)
  • The occurrence of invasive cancers following a diagnosis of breast carcinoma in situ
  • 2008
  • Ingår i: British Journal of Cancer. - : Springer Science and Business Media LLC. - 0007-0920 .- 1532-1827. ; 99:4, s. 611-5
  • Tidskriftsartikel (refereegranskat)abstract
    • Approximately 1 in every 600 women attending breast-screening programmes in the United Kingdom is diagnosed with breast carcinoma in situ (BCIS). However, there is little information on the occurrence of subsequent cancers (other than second breast cancers) in these women. We investigated the occurrence of invasive cancers in 12,836 women diagnosed with BCIS in southeast England between 1971 and 2003, using data from the Thames Cancer Registry. A greater than expected number of subsequent cancers was found for two sites: breast (standardised incidence ratio (SIR) 1.96; 95% confidence interval (CI) 1.79-2.14) and corpus uteri (SIR 1.42; 95% CI 1.11-1.78). For subsequent ipsilateral breast cancer in those treated with breast conservation, the excess was independent of the time since diagnosis of BCIS, whereas for subsequent contralateral breast cancer, there was a steady decline in excess over time. For subsequent uterine cancer, the excess became statistically significant only at >5 years after BCIS diagnosis, consistent with a treatment effect. This was further supported by Cox regression analysis: the risk of subsequent uterine cancer was significantly increased in women receiving hormonal therapy compared with those not receiving it, with a hazard ratio of 2.97 (95% CI 1.84-4.80).
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