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CONTEXT Without detailed evidence of their effectiveness, pedometers have recently become popular as a tool for motivating physical activity. OBJECTIVE To evaluate the association of pedometer use with physical activity and health outcomes among outpatient adults. DATA SOURCES English-language articles from MEDLINE, EMBASE, Sport Discus, PsychINFO,(More)
BACKGROUND Coronary artery bypass graft (CABG) and percutaneous coronary intervention (PCI) are alternative treatments for multivessel coronary disease. Although the procedures have been compared in several randomised trials, their long-term effects on mortality in key clinical subgroups are uncertain. We undertook a collaborative analysis of data from(More)
CONTEXT There is heightened interest in food allergies but no clear consensus exists regarding the prevalence or most effective diagnostic and management approaches to food allergies. OBJECTIVE To perform a systematic review of the available evidence on the prevalence, diagnosis, management, and prevention of food allergies. DATA SOURCES Electronic(More)
BACKGROUND Mortality from inhalational anthrax during the 2001 U.S. attack was substantially lower than that reported historically. PURPOSE To systematically review all published inhalational anthrax case reports to evaluate the predictors of disease progression and mortality. DATA SOURCES MEDLINE (1966-2005), 14 selected journal indexes (1900-1966),(More)
BACKGROUND The comparative effectiveness of coronary artery bypass graft (CABG) surgery and percutaneous coronary intervention (PCI) for patients in whom both procedures are feasible remains poorly understood. PURPOSE To compare the effectiveness of PCI and CABG in patients for whom coronary revascularization is clinically indicated. DATA SOURCES(More)
Preface The Agency for Healthcare Research and Quality (AHRQ) conducts the Effective Health Care Program as part of its mission to organize knowledge and make it available to inform decisions about health care. As part of the Medicare Prescription Drug, Improvement, and Modernization Act of 2003, Congress directed AHRQ to conduct and support research on the(More)
We evaluated the usefulness of detection systems and diagnostic decision support systems for bioterrorism response. We performed a systematic review by searching relevant databases (e.g., MEDLINE) and Web sites for reports of detection systems and diagnostic decision support systems that could be used during bioterrorism responses. We reviewed over 24,000(More)
A critical question in planning a response to bioterrorism is how antibiotics and medical supplies should be stockpiled and dispensed. The objective of this work was to evaluate the costs and benefits of alternative strategies for maintaining and dispensing local and regional inventories of antibiotics and medical supplies for responses to anthrax(More)
BACKGROUND Induction of labor is on the rise in the U.S., increasing from 9.5 percent in 1990 to 22.1 percent in 2004. Although, it is not entirely clear what proportion of these inductions are elective (i.e. without a medical indication), the overall rate of induction of labor is rising faster than the rate of pregnancy complications that would lead to a(More)