Table 5.
The duration differences of quality of life among patients after TKR (N = 118).
| Variables | Group 1, M ± SD | Status level | Group 2, M ± SD | Status level | Group 3, M ± SD | Status level | |
|---|---|---|---|---|---|---|---|
| Psychological demand (SF-36) | 2.41 ± 0.21 | Moderate | 2.33 ± 0.20 | Moderate | 2.32 ± 0.22 | Moderate | |
| Quality of life (WOMAC) | Pain severity | 1.97 ± 0.30 | Mild | 1.84 ± 0.30 | Mild | 1.74 ± 0.28 | Mild |
| Joint stiffness | 1.95 ± 0.50 | Mild | 1.73 ± 0.53 | Mild | 1.70 ± 0.42 | Mild | |
| Physical functioning impairment | 2.11 ± 0.20 | Mild | 1.88 ± 0.22 | Mild | 1.89 ± 0.25 | Mild | |
| Total WOMAC scale | 2.06 ± 0.19 | Mild | 1.86 ± 0.18 | Mild | 1.85 ± 0.20 | Mild | |
M ± SD: mean ± standard deviation; TKR: total knee replacement; Group 1: the first 3 months after TKR (n = 38); Group 2: between 3 and 6 months (n = 48); Group 3: between 6 and 12 months (n = 32). ∗∗p value: <0.001.