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Estimates of the prevalence of arthritis and other rheumatic conditions in the United States. Part I.
OBJECTIVE To provide a single source for the best available estimates of the US prevalence of and number of individuals affected by arthritis overall, rheumatoid arthritis, juvenile arthritis, theExpand
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Factors associated with patients who leave acute-care hospitals against medical advice.
OBJECTIVES We examined hospital- and patient-related factors associated with discharge against medical advice (termed self-discharge) after emergency admission to acute-care hospitals. METHODS WeExpand
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Social support, knowledge, and self-efficacy as correlates of osteoporosis preventive behaviors among preadolescent females.
OBJECTIVE To develop and test a model based on Bandura's social cognitive theory to predict healthy lifestyle behaviors for the prevention of osteoporosis. METHODS Participants were 354 girls, agesExpand
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Analgesic Usage for Low Back Pain: Impact on Health Care Costs and Service Use
Study Design. Cross-sectional analysis of analgesic use by patients with low back pain (LBP). Objectives. To describe patterns of analgesic use and their cost implications for the use of other careExpand
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Gout in ambulatory care settings in the United States.
OBJECTIVE To describe the ambulatory care utilization by patients with gouty arthritis (gout) in the United States using a nationally representative sample. METHODS A cross-sectional survey designExpand
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Racial/ethnic differences in surgical outcomes in veterans following knee or hip arthroplasty.
OBJECTIVE The utilization of joint arthroplasty for knee or hip osteoarthritis varies markedly by patient race/ethnicity. Because of concerns about surgical risk, black patients are less willing toExpand
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Variability in the attainment of functional milestones during the acute care admission after total joint replacement.
OBJECTIVE To quantify patients' functional improvement in the immediate postoperative period after total hip arthroplasty (THA) or total knee arthroplasty (TKA). METHODS A prospective observationalExpand
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Knee articular cartilage damage in osteoarthritis: analysis of MR image biomarker reproducibility in ACRIN-PA 4001 multicenter trial.
PURPOSE To prospectively determine the reproducibility of quantitative magnetic resonance (MR) imaging biomarkers of the morphology and composition (spin lattice relaxation time in rotating frameExpand
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Frequency of varus and valgus thrust and factors associated with thrust presence in persons with or at higher risk of developing knee osteoarthritis.
OBJECTIVE Varus thrust observed during gait has been shown to be associated with a 4-fold increase in the risk of medial knee osteoarthritis (OA) progression. Valgus thrust is believed to be lessExpand
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Incidence of systemic lupus erythematosus. Race and gender differences.
OBJECTIVE To examine racial differences in the incidence of systemic lupus erythematosus (SLE). METHODS A population-based registry of SLE patients in Allegheny County, Pennsylvania, was used toExpand
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