Radiographic spinopelvic measurements.
| Parameter | Combined (N = 111) | Normal (LDI 50–80%) (n = 81) | Hypolordotic (LDI <50%) (n = 14) | Hyperlordotic (LDI >80%) (n = 16) |
| PI (°) | ||||
| Preoperative | 57.29 (12.56) | 56.80 (12.25) | 63.81 (12.48) | 54.44 (13.20) |
| Postoperative | 58.45 (12.25) | 58.24 (11.73) | 64.71 (11.80) | 54.07 (13.73) |
| Change | 0.89 | 1.26 | 0.18 | −0.37 |
| P | 0.007 | 0.002 | 0.839 | 0.622 |
| LL (°) | ||||
| Preoperative | 51.46 (11.73) | 53.49 (11.82) | 50.29 (8.04) | 42.23 (9.63) |
| Postoperative | 54.73 (12.69) | 56.18 (13.20) | 58.54 (5.24) | 44.06 (9.00) |
| Change | 3.27 | 2.69 | 8.26 | 1.83 |
| P | <0.001 | 0.001 | 0.011 | 0.230 |
| LLL (°) | ||||
| Preoperative | 32.7 (9.37) | 33.95 (8.10) | 19.48 (6.68) | 37.99 (7.29) |
| Postoperative | 35.96 (9.76) | 37.41 (9.66) | 27.11 (6.81) | 36.37 (8.70) |
| Change | 3.26 | 3.47 | 7.63 | −1.62 |
| P | <0.001 | <0.001 | 0.009 | 0.404 |
Abbreviations: LDI, lordosis distribution index; LL, lumbar lordosis; LLL, lower lumbar lordosis; PI, pelvic incidence.
Note: Pre- and postoperative values are presented as mean (SD). Significant P values (<0.05) are shown in bold.