Table 2.
Univariate and multivariate ORs for severity of neurological deficits
| Characteristics | Neurological deficits | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|---|
| None | Mild | Severe | OR (95%CI) | P value | OR (95%CI) | P value | |
| n | n | n | |||||
| Age (year) per 1 year | 0.96 (0.89–1.04) | 0.341 | 0.91 (0.82–1.02) | 0.106 | |||
| Sex | |||||||
| Male | 5 | 4 | 1 | 1 | 1 | ||
| Female | 19 | 6 | 10 | 1.20 (0.31–4.66) | 0.794 | 0.66 (0.12–3.69) | 0.634 |
| Level of injury | |||||||
| L2 or below | 4 | 4 | 0 | 1 | 1 | ||
| L1 | 6 | 2 | 3 | 2.09 (0.37–11.8) | 0.406 | 3.31 (0.31–35.6) | 0.323 |
| T12 or above | 14 | 4 | 8 | 2.06 (0.47–9.05) | 0.341 | 4.87 (0.66–35.9) | 0.120 |
| Duration of fracture (month) per 1 month | 0.96 (0.85–1.08) | 0.532 | 0.99 (0.84–1.18) | 0.932 | |||
| Local kyphosis (°) | |||||||
| −21 | 5 | 6 | 2 | 1 | 1 | ||
| 22–28 | 10 | 3 | 2 | 0.45 (0.10–1.94) | 0.281 | 0.31 (0.04–2.44) | 0.263 |
| 29+ | 9 | 1 | 7 | 1.14 (0.29–4.37) | 0.855 | 0.62 (0.08–4.97) | 0.653 |
| Angular instability(°) | |||||||
| −7 | 12 | 1 | 2 | 1 | 1 | ||
| 8–14 | 7 | 5 | 1 | 2.59 (0.51–13.2) | 0.252 | 2.20 (0.25–19.6) | 0.479 |
| 15+ | 5 | 4 | 8 | 10.0 (2.12–47.7) | 0.004 | 9.24 (1.49–57.2) | 0.017 |
| Ratio of occupation by bony fragments (%) | |||||||
| −32 | 12 | 1 | 1 | 1 | 1 | ||
| 33–41 | 5 | 6 | 2 | 6.74 (1.11–40.9) | 0.038 | 2.35 (0.29–18.9) | 0.421 |
| 42+ | 7 | 3 | 8 | 11.9 (2.11–68.0) | 0.005 | 9.23 (1.15–74.1) | 0.037 |
| Protrusion of flavum | |||||||
| Absent | 21 | 7 | 8 | 1 | 1 | ||
| Present | 3 | 3 | 3 | 2.27 (0.58–8.94) | 0.241 | 0.56 (0.08–4.06) | 0.569 |
| Adjacent OALL | |||||||
| Absent | 17 | 8 | 7 | 1 | 1 | ||
| Present | 7 | 2 | 4 | 1.15 (0.34–3.89) | 0.828 | 1.79 (0.35–9.26) | 0.483 |
OR odds ratio, CI confidence interval