OLIF group (n = 36) | TLIF group (n = 36) | P value | |
---|---|---|---|
L5-S1IDH (mm) | |||
Preoperative | 10.89 ± 2.17 | 11.43 ± 1.65 | 0.522 |
At the last follow-up | 10.27 ± 1.87 | 10.59 ± 1.76 | 0.967 |
L5-S1IFH (mm) | |||
Preoperative | 16.06 ± 2.64 | 16.25 ± 3.73 | 0.548 |
At the last follow-up | 14.95 ± 2.55 | 15.63 ± 3.52 | 0.380 |
L5-S1IFA (mm2) | |||
Preoperative | 125.60 ± 42.86 | 132.13 ± 37.27 | 0.689 |
At the last follow-up | 112.95 ± 37.49 | 123.47 ± 34.05 | 0.467 |
L5-S1SD (mm) | |||
Preoperative | 1.68 ± 0.31 | 1.71 ± 0.36 | 0.705 |
At the last follow-up | 1.95 ± 0.66 | 1.90 ± 0.74 | 0.632 |
L5-S1AD (°) | |||
Preoperative | 5.05 ± 3.63 | 4.71 ± 3.50 | 0.860 |
At the last follow-up | 6.38 ± 3.39 | 5.92 ± 3.52 | 0.482 |
L5-S1DA (°) | |||
Preoperative | 25.13 ± 8.35 | 24.33 ± 4.62 | 0.524 |
At the last follow-up | 33.60 ± 4.53 | 26.98 ± 7.68 | 0.047 |