Abstract:Background. Cancer screening tests have been used in clinical routine for more than half a century, without consensus as to their value. Method. We offer a method to quantify two components of screening programs relevant to their interpretation: the self-selection of participants and the effect of screening on reduction of mortality. Self-selection occurs because patients with a favorable prognosis are more health-conscious and accept screening more often than participants with poor prognosis. Separate quanti… Show more
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