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Table 3 Pain and functional assessment prior to surgery

From: Characterization of osteoarthritic human knees indicates potential sex differences

Variable Female Male p valuea
WOMAC    
 Median total raw score (IQR) 39 (32, 47) 45 (27, 55) 0.76
 Median pain score (IQR) 8.5 (7, 10) 9.0 (5, 12) 0.73
 Median stiffness score (IQR) 4.0 (2, 5) 4.0 (3, 6) 0.64
 Median difficulty performing daily activities score (IQR) 28 (21, 33) 32 (18, 38) 0.70
OARSI-OMERACT pain scale    
 Median total pain score (IQR) 49 (30, 59) 42 (39, 61) 0.88
 Median constant pain subscore (IQR) 45 (20, 55) 38 (25, 45) 0.36
 Median intermittent pain subscore (IQR) 48 (42, 63) 50 (42, 67) 0.70
SF-12    
 Median physical scale (IQR) 33 (29, 42)b 38 (30, 39) 0.55
 Median mental scale (IQR) 61 (54, 63)b 57 (54, 66) 0.90
  1. a p values result from a Wilcoxon rank sum test
  2. bInformation was not available for 1 patient