Table 4.
The univariate and multivariate logistic regression models for early mortality (n = 901, those patients who treated with surgery)
| Univariate |
Multivariate |
|||
|---|---|---|---|---|
| Odds ratio (95% CI) | P-value | Odds ratio (95% CI) | P-value | |
| Age | 1.02 (0.99, 1.05) | 0.292 | — | — |
| Gender | ||||
| Male | 4.80 (0.64, 35.76) | 0.126 | — | — |
| Female | - | — | — | — |
| Occupation | ||||
| White collar | 1.30 (0.57, 2.99) | 0.530 | — | — |
| Blue collar | - | — | — | — |
| Cause of injury | ||||
| Traffic accident | - | — | — | — |
| Fall | 3.16 (1.07, 9.36) | 0.038* | — | — |
| Others | 2.15 (0.70, 6.64) | 0.184 | — | — |
| ASIA score | ||||
| A | 22.34 (2.99, 167.18) | 0.002* | 15.01 (1.90, 118.94) | 0.010* |
| B | 5.88 (0.53, 65.56) | 0.150 | 4.03 (0.34, 47.00) | 0.267 |
| C | 1.56 (0.10, 25.13) | 0.753 | 1.35 (0.08, 21.97) | 0.833 |
| D | - | — | - | — |
| Segment of injury | ||||
| C1–3 | 0.71 (0.09, 5.77) | 0.749 | — | — |
| C4–5 | 1.72 (0.73, 4.07) | 0.214 | — | — |
| C6–8 | - | — | — | — |
| Cervical surgery | ||||
| Anterior | - | — | — | — |
| Posterior | 0.53 (0.17, 1.62) | 0.265 | — | — |
| Anterior–posterior | 0.70 (0.17, 2.88) | 0.621 | — | — |
| Tracheotomy | ||||
| Yes | 6.58 (2.80, 15.44) | <0.001* | 3.98 (1.47, 10.80) | 0.007* |
| No | - | — | - | — |
| Nutritional status | ||||
| Malnutrition | 8.54 (3.37, 21.64) | <0.001* | 9.45 (3.53, 25.30) | <0.001* |
| Normal | - | — | - | — |
| Time to surgery | 0.92 (0.85, 0.99) | 0.019* | 0.92 (0.85, 0.999) | 0.047* |
*P < 0.05 indicated that the 95% CI for odds ratio did not include 1.
-, Reference category.
P-value = 0.200 by Hosmer and Lemeshow test implies an acceptable goodness of fit for the multivariate model.