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Table 4 Diagnostic accuracy of each knee pain question to identify participants with knee radiographic KL ≥ 2, total and by sex

From: The effect of depressive symptoms on the association between radiographic osteoarthritis and knee pain: a cross-sectional study

Question All participants Female Male
n (%) Sensitivity% 1-Specificity Like-lihood Ratio n (%) Sensitivity% 1-Specificity Like-lihood Ratio n (%) Sensitivity% 1-Specificity% Like-lihood Ratio
Have you ever had knee pain not related with any trauma or injury?” (yes) 280 (42.2) 53.2 33.2 1.60 192 (51.8) 63.9 41.6 1.54 88 (30.1) 39.4 22.5 1.75
In the last year did you have more than 3 knee pain episodes?”(yes) 172 (61.0) 71.4 47.0 1.52 131 (68.2) 78.7 54.8 1.44 41 (45.6) 56.6 29.7 1.90
During the last 6 months did knee pain last longer than a week?”(yes) 72 (25.5) 32.9 15.7 2.10 50(26.0) 33.3 16.7 2.0 22(24.4) 32.1 13.5 2.37
During the last month did you have knee pain?” (yes) 178 (62.9) 72.8 49.6 1.47 131 (67.9) 76.1 57.1 1.33 47 (52.2) 66.0 32.4 2.04