Table 3.

Logistic Regression Models for the Risk Mortality and Bacterial Sepsis, Using Hospital as a Fixed Effect

	Model 1: Mortality (n = 1270 Subjects in 24 Hospitals)			Model 2: Bacterial Sepsis (n = 1546 Subjects in 33 Hospitals)
	OR	95% CI	p Value	OR	95% CI	p Value
Birth weight	0.99	0.99–1.00	0.077	0.99	0.99–1.00	0.722
Gestational age	0.90	0.78–1.03	0.139	0.94	0.89–1.00	0.073
Age (d) on day of operation	1.04	0.99–1.08	0.054	—	—
Small bowel resection	1.96	0.53–7.17	0.308	1.50	0.90–2.50	0.119
Large bowel resection	8.26	1.17–58.17	0.034	2.56	1.09–6.02	0.030
Small bowel ostomy	0.74	0.14–3.68	0.714	2.94	1.71–5.05	0.000
Large bowel ostomy	6.22	0.97–39.83	0.054
Congenital heart anomaly	0.71	0.07–7.00	0.771	—	—	—
Congenital circulatory anomaly	5.62	2.11–14.91	0.001	1.58	1.10–2.28	0.013
Congenital pulmonary anomaly	8.22	2.75–24.58	0.000	—	—	—
Respiratory failure	3.31	1.24–8.84	0.017	2.48	1.85–3.34	0.000
Sepsis, bacterial	3.87	1.51–9.91	0.005	—	—	—
Sepsis, fungal	2.49	0.59–10.53	0.214	—	—	—
Hemolytic disease	0.77	0.21–2.28	0.707	—	—	—
Neonatal jaundice	0.70	0.26–1.86	0.480	—	—	—
Newborn feeding problems	0.25	0.07–0.87	0.029	—	—	—
Ileus	1.15	0.27–4.84	0.842	—	—	—
Esophageal reflux	0.27	0.06–1.29	0.103	—	—	—
Small bowel atresia	1.47	0.37–5.82	0.577	0.98	0.57–1.67	0.949
Large bowel atresia	0.34	0.02–5.13	0.438	0.86	0.40–1.86	0.718
NEC	1.58	0.42–5.95	0.497	4.38	2.51–7.67	0.000
Intestinal perforation	0.80	0.15–4.30	0.797	1.41	0.73–2.72	0.297
Volvulus	—	—	—	1.58	0.22–11.13	0.642
Central line insertion	—	—	—	1.49	0.91–2.42	0.107

CI, confidence interval; OR, odds ratio; NEC, necrotizing enterocolitis.