Baseline and 1-year Western Ontario McMaster University Osteoarthritis Index (WOMAC) scores (SD) compared across number of MetS risk factors for patients with knee OA.
| Characteristic | 1 MetS Factor, n = 349 | 2 MetS Factors, n = 240 | 3 MetS Factors, n = 165 | 4 MetS Factors, n = 135 | p |
|---|---|---|---|---|---|
| WOMAC baseline | |||||
| Pain | 10.3 (4.0) | 10.5 (3.9) | 11.3 (4.4) | 15.3 (15.4) | 0.04 |
| Function | 41.8 (14.6) | 41.7 (14.2) | 46.0 (15.7) | 55.8 (15.4) | 0.04 |
| Total | 52.0 (17.9) | 52.2 (17.6) | 57.1 (19.6) | 67.2 (16.1) | 0.03 |
| WOMAC 1-year | |||||
| Pain | 2.8 (1.4) | 3.1 (2.6) | 4.2 (4.0) | 5.8 (4.7) | 0.02 |
| Function | 14.1 (13.1) | 16.5 (13.9) | 19.1 (17.9) | 28.7 (18.9) | 0.006 |
| Total | 16.9 (15.9) | 19.7 (16.8) | 23.4 (20.7) | 34.5 (23.5) | 0.006 |