Randomised trial of mass screening with single-view mammography in the Swedish counties of Kopparberg and Ostergotland
N = 162,981
- Population
- Women aged 40 years or more living in the counties of Kopparberg and Ostergotland (162,981 enrolled); the report is confined to 134,867 women aged 40-74 at entry.
- Design
- Randomised trial begun in Sweden in 1977; women divided at random into a study group offered screening every 2 or 3 years depending on age (single-view mammography) and a control group not offered screening. The 1985 report is an interim analysis to the end of 1984 confined to women aged 40-74.
- Arms
- Invited to screening (experimental): Offered single-view mammography every 2 or 3 years depending on age
- Control (control): Not offered screening
- People
- Tabár L, Breast Cancer Screening Working Group of the Swedish National Board of Health and Welfare
Appears in
Sources
Tabár L, Fagerberg CJ, Gad A, Baldetorp L, Holmberg LH, Gröntoft O, et al. Reduction in mortality from breast cancer after mass screening with mammography. Randomised trial from the Breast Cancer Screening Working Group of the Swedish National Board of Health and Welfare. Lancet. 1985;1(8433):829-32.