Criteria for Evaluating the Screening Efficacy for Cervical Cancer: Estimated Sensitivity and Protective Effect of the Screening Program of Florence
Recently, case control studies have been employed to study the “protection” offered by Pap screening against cervical cancer. This method has been proved to be effective for evaluating screening efficacy [1, 3]. The case control study performed by our Center (CSPO), whose preliminary results will be presented here, differs from previous studies in that the information about the screening histories of patients and controls is taken from the computerized archives of the CSPO instead of being assessed by interviews. Thus, the exact data and diagnosis of every Pap test are known.
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