Clinical Study
Short Term Recovery of Function following Total Knee Arthroplasty: A Randomised Study of the Medial Parapatellar and Midvastus Approaches
Table 1
Mean (std) values of the preoperative measures for the medial parapatellar (MP) and midvastus (MV) groups.
| | Intention to treat | Per protocol | | MP () | MV () | value | MP () | MV () | value |
| Age (yrs) | 70 (8) | 73 (8) | 0.227 | 71 (7) | 74 (8) | 0.371 | Gender (male : female) | | | | | | | BMI (kg/m2) | 29.3 (3.4) | 31.1 (4.4) | 0.240 | 28.9 (2.6) | 31.2 (4.3) | 0.056 | TUG (s) | 11.5 (4.1) | 11.3 (2.9) | 0.874 | 10.5 (2.3) | 11.5 (2.9) | 0.406 | Active flexion (°) | 111 (13) | 106 (19) | 0.434 | 109 (13) | 105 (18) | 0.519 | Extensor strength (Nm/kg) | 0.50 (0.21) | 0.48 (0.18) | 0.808 | 0.52 (0.22) | 0.45 (0.18) | 0.533 | WOMAC pain (max 20)* | 9.4 (3.3) | 8.7 (3.1) | 0.537 | 9.4 (3.2) | 8.6 (3.1) | 0.427 | WOMAC stiffness (max 8)* | 4.8 (1.2) | 3.8 (1.5) | 0.048 | 4.8 (1.8) | 3.9 (1.5) | 0.054 | WOMAC function (max 96)* | 31.2 (9.4) | 28.0 (10.3) | 0.402 | 30.3 (10.1) | 27.1 (11.0) | 0.495 |
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A higher value means more pain, more stiffness, and a decreased function. Fisher’s exact test.
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