TABLE 4.

Bivariate analysis of factors influencing the risk of postoperative medical complications

Factor	OR (95% CI)	p Value
Comorbidity
Cardiovascular disease	11.8 (4.5–31.1)	<0.001
Gastrointestinal disease	NA	—
Congenital or genetic disease	0.47 (0.07–3.2)	0.44
Hematol or immunol disease	NA	—
Hydrocephalus	4.0 (1.4–11.8)	0.01
Metabolic disease	3.9 (0.46–33.3)	0.21
Neoplastic disease	NA	—
Neuromuscular disease	2.9 (1.1–7.6)	0.02
Renal disease	NA	—
Respiratory disease	3.6 (0.47–27.0)	0.22
Scoliosis	0.57 (0.14–2.2)	0.42
Syringomyelia	1.5 (0.70–3.1)	0.30
Payer status
Private	Reference	—
Medicaid	2.8 (1.1–7.2)	0.03
Other	1.7 (0.42–6.9)	0.45
Age (yrs)
0–5	Reference
6–12	2.9 (0.57–14.6)	0.20
13–18	4.6 (0.89–23.4)	0.07
Sex
Male	Reference	—
Female	0.59 (0.27–1.3)	0.18
Race
White	Reference	—
Black	3.9 (1.3–11.4)	0.01
Hispanic	3.5 (1.4–8.6)	0.006
Other	1.8 (0.38–8.1)	0.47