Clinical Study
Short Term Recovery of Function following Total Knee Arthroplasty: A Randomised Study of the Medial Parapatellar and Midvastus Approaches
Table 3
Mean (std) values of the pre- and postoperative function measures for the MP and MV groups.
value for the effect of the type of surgery.
| | | Before surgery | 6 weeks | 3 months | 6 months | value |
| Knee extensor strength (Nm/kg) | MP | 0.52 (0.22) | 0.43 (0.13) | 0.48 (0.09) | 0.61 (0.25) | 0.269 | MV | 0.45 (0.18) | 0.51 (0.25) | 0.52 (0.23) | 0.64 (0.25) |
| Active flexion (°) | MP | 109 (13) | 95 (15) | 103 (6) | 104 (7) | 0.283 | MV | 105 (18) | 90 (13) | 98 (12) | 100 (14) |
| TUG (s) | MP | 10.5 (2.3) | 11.0 (2.7) | 9.5 (2.1) | 9.5 (2.8) | 0.387 | MV | 11.5 (2.9) | 11.5 (2.5) | 11.4 (3.0) | 10.5 (2.1) |
| WOMAC pain (max 20) | MP | 9.4 (3.2) | 5.5 (2.5) | 4.3 (2.8) | 3.8 (3.1)* | 0.907 | MV | 8.6 (3.1) | 5.1 (3.6) | 4.7 (4.3) | 3.2 (3.6) |
| WOMAC stiffness (max 8) | MP | 4.8 (1.8) | 2.8 (1.8) | 2.7 (1.7) | 2.5 (1.4) | 0.799 | MV | 3.9 (1.5) | 2.7 (1.5) | 1.9 (1.2) | 2.6 (1.3) |
| WOMAC function (max 96) | MP | 30.3 (10.1) | 16.7 (10.8) | 14.4 (9.8) | 14.6 (11.1) | 0.964 | MV | 27.1 (11.0) | 14.8 (10.5) | 13.9 (13.0) | 13.8 (10.6) |
|
|
Nonparametric Mann-Whitney test.
|