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Effectiveness of po...
Effectiveness of population-based service screening with mammography for women ages 40 to 49 years : evaluation of the Swedish Mammography Screening in Young Women (SCRY) cohort
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- Numan Hellquist, Barbro (author)
- Umeå universitet,Onkologi,Umea University
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- Duffy, Stephen W (author)
- Cancer Research UK, Department of Epidemiology, Mathematics, and Statistics, Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
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- Abdsaleh, Shahin (author)
- Uppsala universitet,Enheten för radiologi,Department of Medical Imaging, Uppsala University Hospital
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- Björneld, Lena (author)
- Department of Radiology, Sahlgrenska University Hospital, Sahlgrenska, Sweden
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- Bordás, Pál (author)
- Umeå universitet,Onkologi,Sunderby Hospital
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- Tabár, László (author)
- Department of Mammography, Falun Central Hospital, Falun, Sweden
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- Viták, Bedrich (author)
- Linköpings universitet,Östergötlands Läns Landsting,Kvinnokliniken i Linköping,Hälsouniversitetet
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- Zackrisson, Sophia (author)
- Lund University,Lunds universitet,Diagnostisk radiologi, Malmö,Forskargrupper vid Lunds universitet,Radiology Diagnostics, Malmö,Lund University Research Groups
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- Nyström, Lennarth (author)
- Umeå universitet,Epidemiologi och global hälsa,Umea University
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- Jonsson, Håkan (author)
- Umeå universitet,Onkologi,Umea University
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(creator_code:org_t)
- 2010-09-29
- 2011
- English.
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In: Cancer. - : Wiley-Blackwell. - 0008-543X .- 1097-0142. ; 117:4, s. 714-722
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Abstract
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- BACKGROUND: The effectiveness of mammography screening for women ages 40 to 49 years still is questioned, and few studies of the effectiveness of service screening for this age group have been conducted.METHODS: Breast cancer mortality was compared between women who were invited to service screening at ages 40 to 49 years (study group) and women in the same age group who were not invited during 1986 to 2005 (control group). Together, these women comprise the Mammography Screening of Young Women (SCRY) cohort, which includes all Swedish counties. A prescreening period was defined to facilitate a comparison of mortality in the absence of screening. The outcome measure was refined mortality, ie, breast cancer death for women who were diagnosed during follow-up at ages 40 to 49 years. Relative risks (RRs) with 95% confidence intervals (CIs) were estimated.RESULTS: There was no significant difference in breast cancer mortality during the prescreening period. During the study period, there were 803 breast cancer deaths in the study group (7.3 million person-years) and 1238 breast cancer deaths in the control group (8.8 million person-years). The average follow-up was 16 years. The estimated RR for women who were invited to screening was 0.74 (95% CI, 0.66-0.83), and the RR for women who attended screening was 0.71 (95% CI, 0.62-0.80).CONCLUSIONS: In this comprehensive study, mammography screening for women ages 40 to 49 years was efficient for reducing breast cancer mortality.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- mammography
- screening
- breast cancer
- mortality
- Oncology
- Onkologi
- Oncology
- onkologi
- MEDICINE
- mammography
- screening
- breast cancer
- mortality
- TECHNOLOGY
Publication and Content Type
- ref (subject category)
- art (subject category)
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Numan Hellquist, ...
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Duffy, Stephen W
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Abdsaleh, Shahin
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Björneld, Lena
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Bordás, Pál
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Tabár, László
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Viták, Bedrich
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Zackrisson, Soph ...
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Nyström, Lennart ...
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Jonsson, Håkan
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Cancer and Oncol ...
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Cancer
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Umeå University
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Uppsala University
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Lund University
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Linköping University