Table 3.

Univariate and Multivariate Logistic Regression Analysis

Variable	Univariate		Multivariate
	OR (95% CI)	P Value	OR (95% CI)	P Value
Diagnosis category
Trauma	1.27 (0.80–2.02)	0.31	1.22 (0.76–1.95)	0.41
Oncology	1.13 (0.82–1.54)	0.45	1.18 (0.86–1.62)	0.31
Spine	0.98 (0.69–1.41)	0.93	0.95 (0.64–1.40)	0.77
Vascular	0.98 (0.66–1.47)	0.93	1.08 (0.71–1.64)	0.72
Congenital	0.60 (0.30–1.2)	0.15	0.52 (0.24–1.06)	0.08
Hydrocephalus	1.37 (0.89–2.07)	0.15	1.30 (0.84–2.01)	0.24
Peripheral nerve	0.30 (0.11–0.77)	0.01∗	0.29 (0.11–0.78)	0.01∗
Functional	0.40 (0.15–1.06)	0.06	0.35 (0.13–0.94)	0.04∗
Infection	1.18 (0.61–2.21)	0.61	1.19 (0.63–2.24)	0.60
Priority category
1 (Immediate)	1.82 (1.25–2.66)	<0.01∗	1.82 (1.24–2.67)	<0.01∗
1 (1–24 hours)	1.61 (1.10–2.37)	0.02∗	1.63 (1.10–2.41)	0.01∗
2 (1–7 days)	1.24 (0.91–1.69)	0.16	1.22 (0.89–1.67)	0.21
3 (1–4 weeks)	1.04 (0.71–1.52)	0.85	1.04 (0.71–1.54)	0.83
4 (>4 weeks)	0.32 (0.22–0.47)	<0.001∗	0.28 (0.19–0.42)	<0.001∗
Institution type
Public hospitals	0.84 (0.62–1.15)	0.27	0.81 (0.60–1.11)	0.20
Private hospitals	1.19 (0.87–1.62)	0.28	1.23 (0.90–1.69)	0.20
Mortality	0.89 (0.30–2.63)	0.84	0.87 (0.29–2.59)	0.80

Multivariate analysis adjusted for age, gender, and institution type.

OR, odds ratio; CI, confidence interval.

^∗Statistically significant difference.