Table 2 Descriptive statistics for FJS-12 and WOMAC osteoarthritis index across study time points
Time point | N | FJS-12 Mean (SD) | WOMAC Pain Mean (SD) | WOMAC Function Mean (SD) |
|---|---|---|---|---|
Reference time point: pre-surgerya | 162 | 11.7 (11.8) | 47.2 (19.6) | 41.7 (17.1) |
Follow-up: 2 months | 36 | 32.9 (27.5) | 83.9 (14.4) | 77.0 (17.2) |
Follow-up: 3 months | 31 | 41.2 (26.1) | 85.6 (15.2) | 76.5 (15.3) |
Follow-up: 4 months | 31 | 51.8 (24.7) | 84.2 (16.0) | 80.6 (14.3) |
Follow-up: 5 months | 24 | 50.7 (27.7) | 90.4 (10.8) | 81.8 (14.1) |
Follow-up: 12 months | 40 | 68.6 (27.1) | 92.3 (10.7) | 84.2 (14.1) |
Reference time point: 12 monthsb | 37 | 59.3 (31.5) | 89.2 (15.6) | 79.4 (19.8) |
Follow-up: 15 months | 12 | 68.8 (24.6) | 94.6 (8.4) | 86.8 (9.2) |
Follow-up: 18 months | 16 | 59.0 (25.6) | 88.8 (15.5) | 78.2 (19.4) |
Follow-up: 24 months | 23 | 54.0 (31.0) | 85.4 (19.2) | 77.4 (19.6) |