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Clinical Inquiry: How do clinical prediction rules compare with joint fluid analysis in diagnosing gout?
Katie L Westerfield1, Anne Mounsey2, Joan Nashelsky3
1Martin Army Community Hospital Family Medicine Residency Program, Fort Benning, GA, USA.
Abstract:
Clinical prediction rules effectively diagnose gout without joint fluid analysis. The American College of Rheumatology clinical prediction rules, the most accurate rules developed for research purposes, have a sensitivity of 92%, specificity of 89%, positive likelihood ratio of 8.36, and negative likelihood ratio of 0.09.
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