Patient LDI pre- and postoperatively (N = 111).
| LDI | Normal LDI Group | Hypolordotic Group | Hyperlordotic Group |
| Preoperative, n (%) | |||
| LDI >80% | 0 | 0 | 16 (14%) |
| LDI 50%–80% | 81 (73%) | 0 | 0 |
| LDI <50% | 0 | 14 (13%) | 0 |
| Postoperative, n (%) | |||
| LDI >80% | 8 (7%) | 0 | 8 (7%) |
| LDI 50%–80% | 68 (61%) | 6 (5%) | 8 (7%) |
| LDI <50% | 5 (5%) | 8 (7%) | 0 |
Abbreviation: LDI, lordosis distribution index.