Validation of the Polish version of the Western Ontario Rotator Cuff Index in patients following arthroscopic rotator cuff repair

Table 5 Reliability of WORC expressed as ICC calculated for WORC total scores and for the individual domains of WORC. Agreement of WORC expressed as Standard Error of Measurement and Minimal Detectable Change of the WORC

WORC	Change test 2 vs. test 1			p	ICC (95% CI)	SEM	MDC
WORC	\( \overline{x} \)	Me	SD	p	ICC (95% CI)	SEM	MDC
Physical symptoms	0.6	0.0	3.2	0.4162	0.9871 (0.9751–0.9934)	2.28	6.32
Sports/recreation	0.4	0.3	2.7	0.1229	0.9960 (0.9923–0.9980)	1.89	5.25
Work	0.5	0.5	4.5	0.0167*	0.9903 (0.9813–0.9950)	3.17	8.78
Lifestyle	1.2	0.3	2.7	0.0209*	0.9935 (0.9855–0.9969)	2.10	5.83
Emotions	−1.4	0.0	8.2	0.4321	0.9491 (0.9041–0.9734)	5.65	15.66
Total	0.4	0.1	2.3	0.1824	0.9955 (0.9913–0.9977)	1.62	4.48

Abbreviations: WORC Western Ontario Rotator Cuff index, \( \overline{x} \) mean, Me median, SD standard deviation, SEM Standard Error of Measurement, MDC Minimal Detectable Change, CI Confidence Interval
All correlations weren’t significant, except marked * p < 0.05

ISSN: 1471-2474