OLIF group (n = 36) | TLIF group (n = 36) | P value | |
---|---|---|---|
Gender (M/F) | 6/30 | 10/26 | 0.396 |
Age (years) | 58.52 ± 7.26 | 59.88 ± 7.04 | 0.629 |
Body mass index (kg/m2) | 25.16 ± 2.66 | 24.87 ± 2.42 | 0.713 |
Follow-up time (months) | 43.13 ± 3.24 | 44.42 ± 4.54 | 0.932 |
Cage height (mm) | 12.08 ± 0.84 | 9.97 ± 1.06 | < 0.001 |