Table 2.
Baseline SRS-Schwab adult spinal deformity classification for group A and group B
| Group A (n = 14) | Group B (n = 40) | P value | |
|---|---|---|---|
| Coronal curve type, n (%) | |||
| T | 0 | 0 | 0.37 |
| L | 4 (20) | 8 (28.6) | |
| D | 0 | 0 | |
| N | 10 (80) | 32 (71.4) | |
| PI-LL, n (%) | |||
| 0 | 0 | 4 (10) | 0.11 |
| + | 0 | 6 (15) | |
| ++ | 14 (100) | 30 (75) | |
| Global alignment, n (%) | |||
| 0 | 3 (21.4) | 5 (12.5) | 0.71 |
| + | 5 (35.7) | 17 (42.5) | |
| ++ | 6 (42.9) | 18 (45) | |
| Pelvic tilt, n (%) | |||
| 0 | 2 (14.3) | 7 (17.5) | 0.74 |
| + | 5 (35.7) | 10 (25) | |
| ++ | 7 (50) | 23 (57.5) | |
PI-LL: 0, < 10°; +, 10–20°; ++, > 20°. Global alignment, based on C7 SVA value: 0, < 4 cm; +, 4–9.5 cm; ++, > 9.5 cm. Pelvic tilt: 0, < 20°; +, 20–30°; ++, > 30°