Cross-Cultural Validation of Urdu Version KOOS in Indian Population with Primary Knee Osteoarthritis

Table 3

Urdu KOOS subscale score for four radiographic OA knee patient groups based on Kellgren-Lawrence (KL) grading.

Subscales	KL grade I; ()	KL grade II; ()	KL grade III; ()	KL grade IV; ()	value (significance)
Pain	63.50 ± 7.36	55.71 ± 8.26	44.15 ± 14.20	30.28 ± 10.90	34.875
Symptom	63.38 ± 7.40	59.93 ± 13.81	51.77 ± 14.82	40.68 ± 13.44	12.641
ADL	59.69 ± 9.63	59.07 ± 10.48	47.13 ± 15.19	40.53 ± 9.69	11.279
Sports/rec	47.50 ± 12.11	45.00 ± 11.27	35.90 ± 11.97	22.88 ± 11.87	22.432
QOL	56.56 ± 6.74	48.71 ± 4.81	33.15 ± 8.32	14.75 ± 8.68	142.18

Means .