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Table 5 Descriptive statistics for WORC item and subscale scores

From: The factor validity of the Western Ontario Rotator Cuff Index

Item* Item mean Item SD Subscale mean (SD) Cronbach's alpha Range of inter-item correlations within subscale
PS1 66 25.5 382 (121.7) .81 .32 – .60
PS2 64 27.3    
PS3 71 24.9    
PS4 68 24.9    
PS5 57 33.7    
PS6 56 32.2    
SR7 69 28.5 302 (81.8) .72 .29 – .55
SR8 86 21.6    
SR9 83 27.6    
SR10 64 32.2    
W11 65 25.7 296 (78.5) .78 .38 – .64
W12 85 19.1    
W13 77 24.4    
W14 69 30.8    
LS15 68 29.0 255 (96.3) .82 .42 – .68
LS16 56 34.3    
LS17 75 27.3    
LS18 55 28.4    
E19 77 27.1 196 (84.8) .80 .52 – .70
E20 58 34.6    
E21 62 37.7    
  1. PS physical symptoms
  2. SR sports and recreation
  3. W work
  4. * See Table 6 for explanation of items