Table 3.

Admission serum BUN level vs. the outcome of persistent organ failure by etiology of acute pancreatitis.

BUN	Persistent organ failure		Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Negative predictive value (%)	AUC
	Yes	No
Biliary
≥20	66	172	39	83	28	89	61
<20	102	832
Alcoholic
≥20	11	8	58	92	58	92	75
<20	8	96
Hypertriglyceridemia
≥20	23	31	30	88	43	81	59
<20	54	232
Idiopathic
≥20	3	27	20	83	10	92	52
<20	12	134