Table 3 Absolute values of each scale of WOMAC score. Data expressed as mean ± standard deviation
|  | Baseline (n = 67) | 1-month f.up (n = 67) | 3-month f.up (n = 67) | 6-month f.up (n = 67) | 12-month f.up (n = 54) | 24-month f.up (n = 36) | 36-month f.up (n = 25) |
|---|---|---|---|---|---|---|---|
WOMAC—Pain | 10.73 ± 5.24 | 7.33 ± 4.30 | 4.63 ± 3.40 | 3.15 ± 2.94 | 3.04 ± 3.68 | 3.64 ± 4.82 | 4.40 ± 5.40 |
WOMAC—Stiffness | 2.13 ± 2.41 | 1.70 ± 2.04 | 1.30 ± 1.87 | 1.04 ± 1.91 | 0.96 ± 1.95 | 0.78 ± 1.51 | 0.64 ± 1.35 |
WOMAC—Function | 34.76 ± 17.15 | 23.70 ± 15.12 | 15.54 ± 11.32 | 11.21 ± 9.75 | 10.80 ± 12.41 | 12.56 ± 15.25 | 15.36 ± 17.48 |
WOMAC Total | 47.63 ± 22.76 | 32.73 ± 19.94 | 21.46 ± 15.41 | 15.40 ± 13.62 | 14.80 ± 17.02 | 16.97 ± 20.55 | 20.40 ± 23.10 |