Missing data is a major issue in many applied problems, especially in the biomedical
sciences. We review four common approaches for inference in generalized linear models …

OBJECTIVE: To develop a set of suggested objective performance goals (OPG) for
evaluating new catheter-based treatments in critical limb ischemia (CLI), based on evidence …

This paper reviews both likelihood-based and non-likelihood (generalized estimating
equations) regression models for longitudinal binary responses when there are drop-outs …

Background Surgery has become an integral part of global health care, with an estimated
234 million operations performed yearly. Surgical complications are common and often …

Background Little is known about the amount and availability of surgical care globally. We
estimated the number of major operations undertaken worldwide, described their …

Background Miscommunications are a leading cause of serious medical errors. Data from
multicenter studies assessing programs designed to improve handoff of information about …

Background Late cardiotoxic effects of doxorubicin are increasingly a problem for patients
who survive childhood cancer. Cardiotoxicity is often progressive, and some patients have …

Background It was previously estimated that 234· 2 million operations were performed
worldwide in 2004. The association between surgical rates and population health outcomes …

Purpose Cross-sectional studies show that cardiac abnormalities are common in long-term
survivors of doxorubicin-treated childhood malignancies. Longitudinal data, however, are …

BACKGROUND: Communication breakdowns are a common threat to surgical safety, but
there are little data to guide initiatives to improve communication. STUDY DESIGN: In …