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INTRODUCTION Although osteoporosis has been reported to be more common in patients with rheumatoid arthritis (RA), little is known whether the risk of osteoporotic fractures in these patients differs by age, sex, and anatomic site. METHODS A retrospective cohort study was conducted using a health care utilization database. Incidence rates (IRs) and rate(More)
BACKGROUND The emergence of community-associated methicillin-resistant S. aureus was associated with dramatically increased skin and soft tissue infection (SSTI) incidence in the first few years of the 21(st) century in the U.S. However, subsequent trends are poorly understood. METHODS We examined ambulatory and inpatient data of over 48 million persons(More)
PURPOSE Diagnosis codes have been valid tools to identify severe neutropenia leading to hospitalization in claims data, but no data exist on the accuracy of outpatient diagnosis of neutropenia. We examined the validity and accuracy of claims-based algorithms to identify neutropenia from outpatient visits. METHODS Adults with outpatient diagnosis of(More)
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