Table 4.
Comparison of the improvement in active range of movements (ROM).
| Group A | Group B | Group C | p-value | |||||
|---|---|---|---|---|---|---|---|---|
| FF,* | Pre-operative | 79.0 (25.5) | 76.8 (22.2) | 74.7 (29.3) | ||||
| Last follow-up | 115.1 (30.4) | 140.5 (18.2) | 152.8 (6.7) | A versus B p < 0.001 A versus C p < 0.001 B versus C p = 0.015 | ||||
| ER1,* | Pre-operative | 24.8 (13.0) | 20.8 (9.9) | 16.5 (11.6) | ||||
| Last follow-up | 33.7 (7.3) | 22.5 (5.5) | 29.2 (9.4) | A versus B p < 0.001 A versus C p = 0.015 B versus C p = 0.042 | ||||
| ER2,* | Pre-operative | 36.1 (15.2) | 32.9 (12.6) | 30.5 (14.2) | ||||
| Last follow-up | 58.3 (13.0) | 53.3 (8.9) | 62.8 (13.1) | A versus B p < 0.001 A versus C p = 0.015 B versus C p = 0.042 | ||||
| Group A | Group B | Group C | ||||||
| Pre- operative | Last follow-up | Pre- operative | Last follow-up | Pre- operative | Last follow-up | |||
| IR, % | Thigh | 16.9 | 44.1 | 0.0 | 0.0 | 26.0 | 0.0 | |
| Buttock | 55.9 | 41.2 | 68.4 | 5.0 | 54.0 | 0.0 | ||
| Sacroiliac joint | 18.6 | 11.8 | 21.1 | 15.0 | 2.0 | 11.1 | ||
| Waist | 8.5 | 2.9 | 10.5 | 55.0 | 14.0 | 44.4 | ||
| T12 | 0.0 | 0.0 | 0.0 | 15.0 | 4.0 | 38.9 | ||
| Shoulder blades | 0.0 | 0.0 | 0.0 | 10.0 | 0.0 | 5.6 | ||
FF, forward flexion; ER1, external rotation with the arm at the side; ER2, external rotation with 90° abduction, with the arm at the side; IR, internal rotation.
*
Data are the mean (SD) or as indicated.