Table 5.
Logistic regression analysis of radiological outcomes
| Variable | No. | Fused condition (yes or no) |
Subsidence condition (yes or no) |
|||
|---|---|---|---|---|---|---|
| OR (95% CI) | p-value | OR (95% CI) | p-value | |||
| Surgery | ||||||
| OLIF | 25 | 1.00 | 1.00 | |||
| OLIF-AF | 19 | 1.083 (0.150–7.808) | 0.937 | 0.448 (0.124–1.619) | 0.221 | |
| OLIF-PF | 27 | 3.649 (0.519–25.647) | 0.193 | 0.272 (0.082–0.904) | 0.034 | |
| Age (yr) | ||||||
| > 65 | 30 | 1.00 | 1.00 | |||
| ≤ 65 | 41 | 1.542 (0.310–7.677) | 0.597 | 1.386 (0.500–3.841) | 0.530 | |
| Sex | ||||||
| Male | 23 | 1.00 | 1.00 | |||
| Female | 48 | 4.552 (0.687–30.150) | 0.116 | 1.556 (0.469–5.160) | 0.470 | |
| Fused segment | ||||||
| Single | 39 | 1.00 | 1.00 | |||
| Double | 32 | 0.563 (0.106–2.996) | 0.501 | 1.089 (0.375–3.165) | 0.875 | |
| Bone density† | ||||||
| Normal | 28 | 1.00 | 1.00 | |||
| Low | 43 | 1.280 (0.210–7.819) | 0.789 | 1.133 (0.346–3.716) | 0.836 | |
OR, odds ratio; CI, confidence interval; OLIF, oblique lateral interbody fusion; OLIF-AF, OLIF combined with anterolateral screw fixation; OLIF-PF, OLIF combined with percutaneous pedicle screw fixation.
†
The bone density was presented as continuous variable based on lumbar computed tomography Hounsfield units value.