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Table 5 Cronbach’s Alpha, Intraclass Correlation Coefficients (ICC), Standard error of Measurement (SEM) and Smallest Detectable Change (SDC) of the Dutch version of the WORC (0-100)

From: The conceptually equivalent Dutch version of the Western Ontario Rotator Cuff Index (WORC)©

  Cronbach’s Alpha ICC (95% CI) SEM SDC
WORC score total 0.95 0.91 (0.85-0.95) 6.0 16.7
WORC-physical symptoms 0.82 0.79 (0.65-0.88) 10.0 27.6
WORC-sports and recreation 0.79 0.88 (0.79-0.93) 8.4 23.4
WORC-work 0.85 0.87 (0.78-0.92) 8.4 23.3
WORC-lifestyle 0.85 0.89 (0.81-0.93) 8.7 25.2
WORC-emotions 0.89 0.79 (0.66-0.87) 12.9 35.9