Variable | Preoperative | Postoperative |
N | 217 | NA |
Sex, women, n (%) | 128 (59) | NA |
Age, y, mean (SD) | 66 (11) | NA |
Radiographic Parameters | ||
Time since surgery, mo, median (min, max) | NA | 17 (3, 38) |
LL, mean (SD) | 41.8° (17.3°) | 53.0° (28.3°) |
PI-LL mismatch, mean (SD) | 13.9° (16.8) | 4.0° (16.6°) |
IVL by level | ||
L1-L2, mean (SD) | 3.3° (3.1°) | 6.8° (2.6°) |
L2-L3, mean (SD) | 3.9° (3.7°) | 6.7° (3.4°) |
L3-L4, mean (SD) | 5.3° (3.6°) | 8.1° (2.9°) |
L4-L5, mean (SD) | 6.8° (5.3°) | 11.4° (4.7°) |
L5-S1, mean (SD) | 11.1° (7.0°) | 15.5° (4.8°) |
Abbreviations: IVL, intervertebral lordosis angle; LL, lumbar lordosis; NA, not applicable; PI-LL, pelvic incidence and lumbar lordosis.