Influence of personal characteristics of individual women on sensitivity and specificity of mammography in the Million Women Study: cohort study.
OBJECTIVES: To examine how lifestyle, hormonal, and other factors influence the sensitivity and specificity of mammography. METHODS: Women recruited into the Million Women Study completed a questionnaire about various personal factors before routine mammographic screening. A sample of 122,355 women aged 50-64 years were followed for outcome of screening and incident breast cancer in the next 12 months. Sensitivity and specificity were calculated by using standard definitions, with adjustment...Expand abstract
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