Table 1.
Clinical results
| All cases | Single thoracic | Double thoracic | P-value* | |
|---|---|---|---|---|
| PT Preop (°) | 33.0 | 28.5 | 43.9 | 0.0003 |
| Postop (°) | 16.1 | 14.8 | 19.3 | 0.09 |
| Postop PTC (%) | 50.5 | 48.1 | 56.2 | 0.14 |
| Final follow-up (°) | 16.8 | 15.1 | 21.4 | 0.02 |
| Final follow-up PTC (%) | 49.0 | 48.0 | 51.2 | 0.50 |
| MT Preop (°) | 49.5 | 61.1 | 71.7 | 0.04 |
| Postop (°) | 16.8 | 16.3 | 17.9 | 0.36 |
| Postop MTC (%) | 74.0 | 73.3 | 75.5 | 0.25 |
| Final follow-up (°) | 19.2 | 18.9 | 19.9 | 0.90 |
| Final follow-up PTC (%) | 70.3 | 69.4 | 72.5 | 0.31 |
| RSH Preop (mm) | −12.7 | −14.8 | −6.3 | 0.39 |
| Postop (mm) | +11.1 | +12.4 | +6.7 | 0.55 |
| Final follow-up (mm) | +5.7 | +5.1 | +7.1 | 0.39 |
| T1 tilt Preop (°) | −1.8 | −3.4 | +2.1 | 0.01 |
| Postop (°) | +4.8 | +3.8 | +7.3 | 0.06 |
| Final follow-up (°) | +3.3 | +2.2 | +6.0 | 0.09 |
| PTC:MTC ratio Postop | 0.68 | 0.65 | 0.74 | 0.18 |
*Statistical analysis was performed to compare the single thoracic pattern (Lenke type 1 or 3) with the double thoracic pattern (Lenke type 2) using the Wilcoxon rank-sum test.