Table 4.

Univariate and multivariate logistic regression model exploring association of teaching status with risk of in-hospital death

	Univariate		Multivariate
	OR (95 % CI)	P-value	OR (95 % CI)	P-value
Non-teaching hospital	1.47 (1.25–1.74)	<0.001	1.32 (1.11–1.58)	<0.001
Patient Age (years)
<65	Reference		Reference
65–74	1.38 (1.22–1.56)	0.01	1.26 (1.07–1.49)	0.03
≥75	2.52 (2.26–2.80)	<0.001	2.18 (1.85–2.56)	<0.001
Male gender	1.73 (1.59–1.87)	<0.001	1.63 (1.46–1.82)	<0.001
Non-white race	1.24 (1.10–1.41)	<0.001	1.08 (0.94–1.25)	0.27
Charlson comorbidities ≥3	1.49 (1.32–1.68)	<0.001	1.18 (1.04–1.35)	0.01
Non-elective admission	3.36 (2.85–4.00)	<0.001	3.23 (2.76–3.78)	<0.001
Primary payer type
Government	Reference		Reference
Private	0.45 (0.39–0.51)	<0.001	0.71 (0.60–0.84)	<0.001
Other/none	1.11 (0.89–1.38)	0.13	1.27 (1.00–1.60)	0.05
Procedure
Pancreatic surgery	Reference		Reference
Liver resection	1.25 (1.09–1.44)	<0.001	0.95 (0.83–1.09)	0.46
Hepaticojejunostomy	1.13 (0.91–1.40)	0.26	1.35 (1.10–1.66)	<0.001
Any complication	2.53 (2.18–2.95)	<0.001	2.31 (2.01–2.66)	<0.001