A validation of the Swedish version of the WORC index in the assessment of patients treated by surgery for subacromial disease including rotator cuff syndrome

Table 1 The correlations between the individual health measurement instruments. Higher number means stronger correlation. A correlation of 1.0 is a complete correlation

	WORC	WOOS	OSS	EQ-5D
WOOS	0.97	-	-	-
OSS	0.74	0.73	-	-
EQ-5D	0.71	0.69	0.57	-
SL^a	0.72	0.67	0.35	0.61
CS^b	0.85	-	-	-

Abbreviations: CS Constant-Murley score, WORC Western Ontario Rotator Cuff index, OSS Oxford Shoulder Score. Pearson correlation coefficients except ^a Spearman’s correlation coefficient used for Satisfaction (SL), and only SL for postoperative study group 1 ^b CS correlation to WORC, material from study group 2

ISSN: 1471-2474