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Table 3 Medians and ranges of diagnostic characteristics of administrative data algorithms

From: Diagnostic accuracy of administrative data algorithms in the diagnosis of osteoarthritis: a systematic review

Algorithm restrictiveness Reference standard No of algorithms Median sensitivity Sensitivity range Median specificity Specificity range Median positive likelihood ratio Positive likelihood ratio range Median PPV at 10 % prevalence Median PPV at 25 % prevalence Median PPV at 50 % prevalence
Restrictive Self-report 4 0.33 0.29–0.43 0.92 0.89–0.94 5.05 2.64–5.50 0.36 0.62 0.84
ACR criteria 1 0.31 NA 0.89 NA 2.82 NA 0.24 0.48 0.74
Less restrictive Physician diagnosis 4 0.54 0.32–0.78 0.95 0.94–1.00 12.75 6.40–15.25 0.58 0.80 0.92
Self-report 2 0.55 0.50–0.61 0.79 0.70–0.89 3.23 2.03–4.42 0.26 0.50 0.74
ACR criteria 2 0.71 0.58–0.83 0.63 0.60–0.66 1.91 1.71–2.10 0.18 0.39 0.65