How severe is moderately severe acute pancreatitis? Clinical validation of revised 2012 Atlanta Classification

Table 3 Comparison of mild and severe acute pancreatitis (Atlanta 1992) n (%)

	Mild	Severe	P value
Male	29 (51.8)	25 (53.2)	1.000
Necrosis
Sterile	55 (98.2)	41 (87.2)	0.343
Infected	1 (1.8)	6 (12.8)	0.054
Sepsis	0 (0)	6 (12.8)	0.011
Interventions
Fine needle aspiration	1 (1.8)	12 (25.5)	0.002
US guided drainage	1 (1.8)	5 (10.6)	0.101
Necrosectomy	0 (0)	6 (12.7)	0.011
APACHE II, mean ± SD	3.51 ± 1.94	11.48 ± 4.79	< 0.001
MODS, mean ± SD	1.17 ± 1.28	4.29 ± 3.38	< 0.001
Deaths	0 (0)	13 (27.7)	< 0.001

APACHE: Acute Physiology and Chronic Health Evaluation; US: Ultrasound; MODS: Multiple organ dysfunction syndrome.