Table 2.
Univariate and multivariate logistic regression analysis.
| Variable | Univariate | Multivariate | ||
|---|---|---|---|---|
| P-value | Odds ratio | P-value | Odds ratio | |
| Age | <0.01 | 0.49 (0.27–0.84) | NS | |
| Admission AIS | <0.0005 | 4.65 (1.91–14.55) | <0.005 | 6.73 (1.81–51.50) |
| ISP | <0.05 | 0.26 (0.09–0.61) | NS | |
| SCPP | <0.05 | 2.21 (1.19–4.49) | NS | |
| Exponent α | <0.05 | 2.71 (1.13–8.01) | NS | |
| MSE | <0.0001 | 6.54 (1.26–38.77) | <0.0005 | 6.10 (1.96–39.61) |
| Hours−0.01 < λmax < 0.01 | <0.05 | 2.62 (1.05–8.68) | <0.05 | 4.94 (1.30–34.25) |
Exponent α, detrended fluctuation analysis exponent; ISP, mean hourly intraspinal pressure; λmax, maximum Lyapunov exponent; MSE, multi scale entropy; NS, not significant; SCPP, mean hourly spinal cord perfusion pressure.