Table 4.
Preoperative to postoperative changes in static and dynamic measurements for the late group (n = 14). Negative signs indicate plantarflexion or knee/hip extension
| Preoperative | Postoperative | Change | p-value* | |
|---|---|---|---|---|
| Physical exam, ° (sd) | ||||
| Knee extension | 4.1 (4.1) | 2.4 (5.5) | −1.7 (0.3) | 0.21 |
| Straight leg raise | 66.8 (6.7) | 67.1 (11.4) | 0.4 (12.0) | 0.91 |
| Popliteal angle | 37.5 (14.4) | 36.4 (26.8) | −1.1 (28.6) | 0.89 |
| Knee flexion (prone) | 145.7 (3.9) | 142.1 (9.3) | −3.6 (10.1) | 0.21 |
| Hip flexion | 119.6 (7.2) | 117.5 (5.8) | −2.1 (5.8) | 0.19 |
| Dorsiflexion with knee flexed | 3.6 (8.6) | 13.2 (10.7) | 9.6 (8.0) | < 0.001 |
| Dorsiflexion with knee extended | −5.0 (6.5) | 1.4 (11.2) | 6.4 (11.0) | 0.048 |
| Kinematics, ° (sd) | ||||
| Minimum knee flexion in stance | −3.6 (3.8) | −2.0 (9.7) | 1.6 (8.9) | 0.52 |
| Maximum dorsiflexion in stance | −2.1 (11.8) | 6.5 (9.9) | 8.7 (10.7) | 0.009 |
| Average pelvic tilt in stance | 23.4 (6.5) | 20.3 (5.0) | −3.1 (7.5) | 0.15 |
| Minimum hip flexion | 0.04 (6.9) | −0.9 (7.3) | −1.0 (6.5) | 0.58 |
*
p-value of paired t-test (two-tailed) is reported.