Bradford W Duncan

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OBJECTIVES Patient safety has received increased attention in recent years, but mostly with a focus on the epidemiology of errors and adverse events, rather than on practices that reduce such events. This project aimed to collect and critically review the existing evidence on practices relevant to improving patient safety. SEARCH STRATEGY AND SELECTION(More)
Preface In health care as in other arenas, that which cannot be measured is difficult to improve. Providers, consumers, policy makers, and others seeking to improve the quality of health care need accessible, reliable indicators of quality that they can use to flag potential problems or successes; follow trends over time; and identify disparities across(More)
There are several commonly used measures of association between treatment and control event rates in the population (piT and piC, respectively). One such measure, the number needed to treat (NNT) indicates the number of patients, on average, who must be treated in order to prevent one additional adverse event, and is equal to 1/(piC - piT). Because the(More)
ii Preface The Agency for Healthcare Research and Quality (AHRQ), formerly the Agency for Health Care Policy and Research (AHCPR), through its Evidence-based Practice Centers (EPCs), sponsors the development of evidence reports and technology assessments to assist public-and private-sector organizations in their efforts to improve the quality of health care(More)
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