Table 3 Postoperative functional recovery
Outcome | Control group (n = 45) | Magnesium sulfate group (n = 45) | p valuea |
|---|---|---|---|
Knee ROM (°) | |||
 Postoperative day 1 | 87.0 ± 9.0 | 89.0 ± 6.3 | 0.465 |
 Postoperative day 2 | 95.3 ± 7.3 | 95.8 ± 5.1 | 0.834 |
 Postoperative day 3 | 104.7 ± 7.2 | 106.1 ± 5.0 | 0.258 |
 3 months | 115.7 ± 6.2 | 117.9 ± 4.8 | 0.099 |
Quadriceps strength | |||
 Postoperative day 1 | 3.6 ± 0.7 | 3.7 ± 0.9 | 0.727 |
 Postoperative day 2 | 4.2 ± 0.5 | 4.4 ± 0.6 | 0.120 |
 Postoperative day 3 | 4.7 ± 0.5 | 4.8 ± 0.4 | 0.635 |
 3 months | 4.9 ± 0.3 | 5.0 ± 0.2 | 0.647 |
Daily mobilization distance (m) | |||
 Postoperative day 1 | 11.0 ± 5.6 | 12.4 ± 3.9 | 0.090 |
 Postoperative day 2 | 18.7 ± 6.5 | 19.2 ± 6.4 | 0.646 |
 Postoperative day 3 | 30.6 ± 7.3 | 31.6 ± 6.1 | 0.448 |
Time to first straight-leg raising (h) | 10.9 ± 5.4 | 11.4 ± 5.9 | 0.887 |
 Postoperative length of stay (h) | 69.4 ± 3.0 | 68.4 ± 3.2 | 0.160 |