Résumé :
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[BDSP. Notice produite par INIST 0OR0xMx9. Diffusion soumise à autorisation]. Objectives-To enable better monitoring of interim outcome measures in the NHS Breast Screening Programme by providing revised targets for cancer detection rates, and revised expected interval cancer rates. Design and setting-Expected detection rates of invasive cancers at prevalent screen are calculated, using estimates of the underlying England and Wales incidence rates and age specific prevalence : incidence ratios from the Swedish Two County Study. Expected interval cancer rates are also derived from this study, and are used to calculate expected detection rates at rescreening. Results-The expected invasive cancer detection rates at first screen for women aged 50-52 is 3.6 per 1000. The expected rate at rescreening for women aged 53-64 is 4.0 per 1000. Expected interval cancer rates for women screened from 199516 onwards are 0.45 per 1000,0.65 per 1000, and 1.2-1.3 per 1000 for the periods within 0-
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