Different timing for abdominal paracentesis catheter placement and drainage in severe acute pancreatitis complicated by intra-abdominal fluid accumulation

Table 2 Comparison of progression rate, mortality rate, and organ dysfunction among the groups

Groups	Cases	Progression rate (%)	Case fatality rate (%)	Number of organ failure
				0	≥ 1
Group A	89	2 (2.25)	1 (1.12)	52 (58.43)	37 (41.57)
Group B	55	12 (21.82)a	2 (3.64)	16 (29.09)	39 (70.91)a
Group C	40	13 (32.50)a	4 (10.00)	10 (25.00)	30 (75.00)a
χ2		23.371	5.948	18.309
P value		< 0.001	0.051	< 0.001

^aP < 0.05 vs group A.