Breast Cancer Screening (PDQ®)-Health Professional Version
Magnitude of Effect: Based on a meta-analysis of RCTs, the number of women needed to invite for screening to prevent one breast cancer death depends on the woman's age: for women aged 39 to 49 years, 1,904 women needed (95% confidence interval [CI], 929-6,378); for women aged 50 to 59 years, 1,339 women needed (95% CI, 322-7,455); and for ...