OLIF group (n = 36) | TLIF group (n = 36) | P value | |
---|---|---|---|
L3-4IDH (mm) | |||
Preoperative | 10.13 ± 1.52 | 10.68 ± 0.94 | 0.419 |
At the last follow-up | 9.46 ± 1.73 | 9.85 ± 1.01 | 0.499 |
L3-4IFH (mm) | |||
Preoperative | 20.58 ± 3.84 | 21.84 ± 3.46 | 0.500 |
At the last follow-up | 19.50 ± 3.84 | 20.06 ± 2.78 | 0.591 |
L3-4IFA (mm2) | |||
Preoperative | 193.47 ± 32.68 | 220.44 ± 49.28 | 0.124 |
At the last follow-up | 173.47 ± 29.18 | 191.71 ± 37.67 | 0.179 |
L3-4SD (mm) | |||
Preoperative | 1.74 ± 0.40 | 1.71 ± 0.31 | 0.633 |
At the last follow-up | 2.10 ± 0.73 | 2.28 ± 0.86 | 0.583 |
L3-4AD (°) | |||
Preoperative | 3.44 ± 2.19 | 3.95 ± 2.40 | 0.652 |
At the last follow-up | 4.53 ± 2.91 | 4.75 ± 2.09 | 0.855 |
L3-4DA (°) | |||
Preoperative | 5.21 ± 3.60 | 5.00 ± 3.69 | 0.476 |
At the last follow-up | 7.98 ± 5.51 | 6.19 ± 2.38 | 0.897 |