Women's Health Weekly
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Cancer Screening
Impact of mammography screening intervals compared for women ages 50-74
May 19th, 2005
Radiologists in Canada "compared the long-term impact of 1- and 2-year screening mammography intervals using prognostic, screening, and outcome information for women aged 50-74 years obtained from the Screening Mammography Program of British Columbia in two time periods: prior to 1997 (policy of annual mammography) and after 1997 (biennial mammography)." E.S. Wai and colleagues, Vancouver Island Center, Victoria, British Columbia, estimated survival "for both periods using a prognostic model and the expected rate of interval and screen-detected cancers." "The likelihood of a screen-detected cancer with annual screening was 2.32 per thousand screens...
Source: Women's Health Weekly (2005-05-19)
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