Research Article
Health-Related Quality of Life and Outcome after Total Knee Replacement: Results from a Cross-Sectional Survey in Jordan
Table 3
The quality-of-life differences among patients before and after TKR (N = 118).
| Variables | Before TKR, M ± SD | Status level | After TKR, M ± SD | Status level | t-test | p value |
| Psychological demand (SF-36) | 3.88 ± 0.37 | Severe | 2.36 ± 0.21 | Moderate | 19.13 | <0.001 | Quality of life (WOMAC scale) | Pain severity | 3.95 ± 0.46 | Severe | 1.86 ± 0.31 | Mild | 13.45 | <0.001 | Joint stiffness | 3.91 ± 0.67 | Severe | 1.79 ± 0.50 | Mild | 12.43 | <0.001 | Physical functioning impairment | 4.03 ± 0.30 | Severe | 1.96 ± 0.26 | Mild | 14.69 | <0.001 | Total WOMAC scale | 4.00 ± 0.31 | Severe | 1.92 ± 0.21 | Mild | 14.36 | <0.001 |
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M ± SD: mean ± standard deviation; TKR: total knee replacement. p value: <0.001. |