Table 3
Multivariate analysis including showing Kyphosis > 30°, canal encroachment (>50%) and Cord oedema as independent risk factors associated with neurological deficit B – unstandardized beta, SE – standard error of regression, Wald- type of statistic used in logistic regression analysis, df – degrees of freedom, Sig. – significance value, Exp(B) – odds ratio, CI – confidence interval.
| B | SE | Wald | df | Sig. | Exp (B) | 95% CI for Exp (B) |
||
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Step 1 | ||||||||
| Canal encroachment > 50% | 2.037 | .532 | 14.657 | 1 | .000 | 7.667 | 2.702 | 21.751 |
| Constant | −.651 | .356 | 3.338 | 1 | .068 | .522 | ||
| Step 2 | ||||||||
| Canal Encroachment > 50% | 1.919 | .551 | 12.125 | 1 | .000 | 6.817 | 2.314 | 20.083 |
| Oedema | 2.174 | 1.118 | 3.781 | 1 | .052 | 8.797 | .983 | 78.736 |
| Constant | −.843 | .380 | 4.929 | 1 | .026 | .430 | ||
| Step 3 | ||||||||
| Canal encroachment > 50% | 1.994 | .586 | 11.554 | 1 | .001 | 7.342 | 2.326 | 23.175 |
| Oedema | 2.480 | 1.152 | 4.635 | 1 | .031 | 11.935 | 1.249 | 114.054 |
| Kyphosis > 30° | 1.367 | .600 | 5.198 | 1 | .023 | 3.924 | 1.211 | 12.711 |
| Constant | −1.485 | .508 | 8.529 | 1 | .003 | .227 | ||
Bold values in Table 3 represent Odds ratio of variables that are significant.
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