Table 1.
Patient demographics.
| Conventional TKA | MIS-TKA | P value | |
|---|---|---|---|
| Age | 69.2 ± 8.1 | 71.8 ± 7.7 | N.S |
| Sex, F/M | 82/18 | 79/21 | N.S |
| Height (cm) | 154.1 ± 6.0 | 151.5 ± 5.2 | N.S |
| Weight (kg) | 60.8 ± 6.1 | 62.2 ± 5.8 | N.S |
| Preoperative knee extension (degree) | −10 ± 8.5 | −8.5 ± 10.1 | N.S |
| Preoperative knee flexion (degree) | 115 ± 10.5 | 120 ± 11.4 | N.S |
| Preoperative mechanical axis in one leg standing radiograph (degree) | 190.8 ± 8.9 | 188.6 ± 10.6 | N.S |
| Percentage of preoperative peak isokinetic torque of the quadriceps muscle (%)* | 82 ± 14 | 85 ± 11 | N.S |
| Preoperative visual analogue scale of pain (mm) | 75 ± 11 | 72 ± 13 | N.S |
| Preoperative knee score | 48.6 ± 7.6 | 46.7 ± 8.5 | N.S |
*preoperative peak value in uninvolved knee was defined as a reference value (100%).