Table 4.

Predictive risk factors for DNS development

Variables	Univariate analysis Odds ratio (confidence interval: 95%)	Multivariate analysis Odds ratio (confidence interval: 95%)
Systolic blood pressure <90 mmHg	10.25 (1.40-73.68)	1.34 (0.04-40.85)
Seizures	7.34 (2.53-22.28)	1.65 (0.18-14.85)
GCS <9	6.06 (2.04-17,95)	7.15 (1.04-48.8)
Leukocytosis (WBC >10.000/microlitre)	3.13 (1.31-7.95)	3.31 (1.02-10.71)
Duration of exposure >6 hours	2.13 (0.87-5.24)	1.28 (0.09-2.9)
CPK >160 U/L	1.14 (0.49-2.60)	1.02 (0.4-1.64)

Odds ratios for the association of variables with DNS development at one month from hospital discharge. Univariate and multivariate analysis.