Table 2.
Operative correction of clinical and radiological parameters
| CD (N=25) | ANT (N=21) | CD versus ANT | |
|---|---|---|---|
| Trunk height increase (cm) | 2.5±1.0 (0.0–4.0) | 1.3±1.3 (−1.0 to 3.5) | S1 |
| Rib hump correction (%) | 46.7±18.7 (14.0–85.0) | 80.8±14.6 (57.0–100.0) | S1 |
| Cobb angle correction (degrees) | 37.0±6.1 (28.0–50.0) | 41.0±7.9 (32.0–60.0) | NS |
| Apical vertebra transposition correction (mm) | 45.8±12.9 (13.0–74.0) | 42.7±14.7 (28.0–89.0) | NS |
| Apical vertebra rotation correction (degrees) | 1.8±4.4 (−5.0 to 10.0) | 12.6±3.9 (5.0–22.0) | S1 |
| Sagittal Cobb angle correction (degrees) | 0.8±10.2 (−14.0 to 19.0) | 0.4±9.0 (−14.0 to 15.0) | NS |
| Correction of the tilt of the lowest instrumented vertebra (degrees) | 18.8±4.7 (10.0–29.0) | 15.3±6.8 (3.0–27.0) | S |
| Correction of C7 shift (mm) | 17.9±11.7 (0.0–40.0) | 9.0±9.8 (0.0–40.0) | S |
| Correction of rib cage shift (mm) | 73.4±26.4 (41.0–130.0) | 56.8±19.9 (25.0–117.0) | S |
All the values are expressed as the mean ± SD followed by the minimum and maximum values in brackets S difference significant at P<0.05, S1 difference significant at P<0.001, NS difference not significant, CD Cotrel-Dubousset group, ANT anterior surgery group