Characteristics | TWH (WOMAC) | HHS (OKS) | ||||
---|---|---|---|---|---|---|
Improved, n = 406 (89%) | No Improvement, n = 51 (11.2%) | p | Improved, n = 2398 (88%) | No Improvement, n = 322 (11.8%) | p | |
Age, yrs (SD) | 66.9 (9.7) | 71.2 (7.2) | 0.004 | 69.5 (9.3) | 70.2 (8.7) | 0.03 |
Men, n (%) | 150 (88) | 20 (12) | 0.42* | 862 (86) | 142 (14) | 0.006* |
Women, n (%) | 256 (89) | 31 (11) | 1536 (90) | 180 (10) | ||
BMI, kg/m2 (SD) | 30.2 (6.7) | 28.7 (5.1) | 0.7 | 32.0 (6.1) | 31.9 (6.5) | 0.38 |
Comorbidity, mean (SD) | 2.9 (1.7) | 2.6 (1.6) | 0.22 | 1.5 (1.2) | 1.5 (1.2) | 0.66 |
↵* p value comparing result between men and women with no improvement (chi-square test). TWH: Toronto Western Hospital; HHS: Hamilton Health Sciences Henderson Hospital; BMI: body mass index; OKS: Oxford Knee Score; WOMAC: Western Ontario McMaster University Osteoarthritis Index.