Table 2.

Multivariable logistic regression for acute pancreatitis severity.

Variables	Odds ratio (OR)	P-value	95% Confidence interval (CI)
Age	0.99	.61	0.98–1.01
Male gender	2.06	.0076*	1.22–3.53
Race	0.76	.33	0.43–1.32
Caucasian
Non-caucasian
Blood type	1.18	.54	0.70–1.99
Non-O type (A, B, and AB)
O type
Rh blood type	0.62	.26	0.25–1.36
Positive
Negative
Cause	0.80	.41	0.46–1.36
Biliary
Alcohol
Other
Length of stay (LOS) ≥ 3 days	2.24	.033*	1.10–4.98

^*indicates P-value <.05.