Table 1.
Patient demographic and preoperative data
| Group A (n = 36) | Group B (n = 36) | P value | |
|---|---|---|---|
| Apical vertebra | |||
| T6–T6/7 | 2 (5.6%) | 2 (5.6%) | Matched design |
| T7–T8 | 15 (41.7%) | 15 (41.7%) | |
| T8/9–T10 | 19 (52.7%) | 19 (52.7%) | |
| Neutral vertebra | |||
| L1–L3 | 24 (66.7%) | 24 (66.7%) | Matched design |
| T10–T12 | 12 (33.3%) | 12 (33.3%) | |
| Age (years)a | 13.56 ± 1.17 | 13.70 ± 1.34 | 0.648 |
| Risser signb | |||
| 0 | 3 (8.3%) | 2 (5.6%) | 0.967 |
| 1 | 1 (2.8%) | 1 (2.8%) | |
| 2 | 6 (16.7%) | 8 (22.2%) | |
| 3 | 12 (33.3%) | 11 (30.6%) | |
| 4 | 13 (36.1%) | 12 (33.3%) | |
| 5 | 1 (2.8%) | 2 (5.6%) | |
| Duration of follow-up (years)a | 3.03 ± 0.75 | 2.99 ± 0.54 | 0.831 |
| Preoperative data | |||
| Side-bindinga | 17.11 ± 8.27 | 19.36 ± 7.91 | 0.242 |
| Cobb angle (°)a | 52.47 ± 10.83 | 52.97 ± 9.85 | 0.828 |
| Sagittal T5 T12 (°)a | 20.53 ± 4.83 | 21.42 ± 4.63 | 0.428 |
| T10 L2 Cobb (°)a | 9.25 ± 4.87 | 8.19 ± 5.41 | 0.387 |
| LIV tilt (cm)a | 20.69 ± 5.67 | 21.17 ± 5.75 | 0.718 |
| Plumb line deviation from the CSVL (cm)a | 1.40 ± 0.82 | 1.29 ± 0.70 | 0.529 |
P values are based on aindependent two-sample t test and bMann-Whitney U test
Data are displayed as mean ± standard deviation or number (percentage)