Table 3.
The radiographic data of the patients of OLIF, OLIF-AF, and OLIF-PF groups
| Variable | OLIF (n = 25) | OLIF-AF (n = 19) | OLIF-PF (n = 27) | p-value |
|---|---|---|---|---|
| Pre-LL (°) | 25.3 (2.4–57.4) | 25.4 (4.6–52.8) | 30.4 (2.1–46.5) | 0.562 |
| Post-LL (°) | 26.6 (2.5–48.5) | 25.1 (5.4–53.8) | 25.7 (3.9–60.6) | 0.985 |
| Follow-up LL (°) | 27.9 (2.2–56.0) | 28.9 (5.7–48.5) | 25.9 (7.9–49.4) | 0.801 |
| Pre-ADH (cm) | 0.80 ± 0.24 | 0.83 ± 0.26 | 0.89 ± 0.29 | 0.394 |
| Post-ADH (cm) | 1.16 ± 0.18 | 1.14 ± 0.27 | 1.17 ± 0.21 | 0.794 |
| Follow-up-ADH (cm) | 0.98 ± 0.22 | 1.01 ± 0.23 | 1.09 ± 0.20 | 0.084 |
| Pre-PDH (cm) | 0.51 ± 0.15 | 0.58 ± 0.18 | 0.61 ± 0.21 | 0.108 |
| Post-PDH (cm) | 0.81 ± 0.18 | 0.81 ± 0.20 | 0.92 ± 0.25 | 0.058 |
| Follow-up-PDH (cm) | 0.61 ± 0.14 | 0.68 ± 0.29 | 0.83 ± 0.21 | 0.000* |
| Pre-FH (cm) | 1.59 ± 0.22 | 1.67 ± 0.24 | 1.61 ± 0.23 | 0.261 |
| Post-FH (cm) | 1.88 ± 0.21 | 1.89 ± 0.29 | 1.93 ± 0.24 | 0.575 |
| Follow-up-FH (cm) | 1.68 ± 0.21 | 1.72 ± 0.25 | 1.86 ± 0.27 | 0.008* |
| Pre-CSAF (cm2) | 1.03 ± 0.26 | 1.17 ± 0.29 | 1.14 ± 0.27 | 0.083 |
| Post-CSAF (cm2) | 1.41 ± 0.29 | 1.54 ± 0.31 | 1.46 ± 0.34 | 0.252 |
| Follow-up-CSAF (cm2) | 1.15 ± 0.24 | 1.35 ± 0.28 | 1.45 ± 0.35 | 0.000* |
| Pre-CSA (cm2) | 1.32 ± 0.45 | 1.21 ± 0.42 | 1.35 ± 0.46 | 0.351 |
| Post-CSA (cm2) | 1.71 ± 0.44 | 1.56 ± 0.57 | 1.67 ± 0.46 | 0.405 |
| Follow-up-CSA (cm2) | 1.63 ± 0.46 | 1.50 ± 0.55 | 1.80 ± 0.52 | 0.063 |
Values are presented as median (range) or mean±standard deviation.
OLIF, oblique lateral interbody fusion; OLIF-AF, OLIF combined with anterolateral screw fixation; OLIF-PF, OLIF combined with percutaneous pedicle screw fixation; LL, lumbar lordosis; ADH, anterior disc height; PDH, posterior disc height; FH, foraminal height; CSAF, cross-sectional area of the intervertebral foramina; CSA, cross-sectional area.
*
Statistically significant at p<0.05.