Objective: Evidence-based medicine (EBM) seeks to improve clinical practice by evaluating the quality of clinical evidence and ensuring that only the "best" evidence from clinical research is used in ...

This is a preview. Log in through your library . Abstract We discuss how to apply the conditional informative missing model of Wu and Bailey (1989, Biometrics 45, 939-955) to the setting where the ...

Consider, secondly, another situation that involves the periodontal treatment of a particular condition occurring at several sites within each patient's mouth. Suppose a trial of two or more ...

This study identifies practices and perceptions around public reporting of “roll-up†Objectives: To understand the views of prominent organizations in the field of healthcare quality on the topic ...

Two previous epidemiologic studies reported an association between the maximum magnetic field exposure logged during a 24-h measurement period and risk of miscarriage. A hypothesis was put forth which ...

This article proposes a new measure of the predictive accuracy (A) of election polls that permits examination of both accuracy and bias, and it applies the new measure to summarize the results of a ...