Table 2.

Risk factors for recurrent HAEC ^*

Risk factor	Odds ratio	Confidence interval	p-Value
Hospital and surgeon factors
Medium to low volume hospitals	1.6	0.75–3.2	0.24
High to low volume hospitals	1.7	0.80–3.5	0.17
Medium to low volume surgeons	0.84	0.48–1.4	0.52
High to low volume surgeons	0.69	0.40–1.2	0.17
Hospital recurrent HAEC rate (in 10% increments)	3.5	2.4–4.9	<0.001
Patient factors
Pre-operative HAEC	3.6	2.2–5.8	<0.001
Ostomy placement prior to pull-through	1.5	0.96–2.3	0.08
History of central nervous system infection	2.5	1.0–6.0	0.05
Congenital neurologic anomalies	4.5	1.4–14.4	0.01
Congenital cardiac anomalies	1.3	0.48–3.6	0.59
Chromosomal abnormality	0.75	0.14–4.1	0.74

^*AUC 0.88, Brier Score 0.07.