Timing, distribution, and microbiology of infectious complications after necrotizing pancreatitis

Table 1 Comparison of baseline demographic and clinical characteristics between the infection group and non-infection group

Variable	Total (n = 205)	Infection (n = 163)	Non-infection (n = 42)	P-value
Age (yr)	49.5 ± 15.7	50.3 ± 15.5	46.6 ± 16.7	0.173
Male	140	112	28	0.801
Etiology				0.898
Biliary	109	88	21
Alcohol	10	7	3
Hyperlipemia	67	52	15
ERCP	6	5	1
Others	13	11	2
Referral time	24 (0-300)	30 (0-300)	2.5 (0-180)	0.013a
CTSI	4 (2-10)	6 (2-10)	4 (2-8)	0.127
Persistent OF	50	49	1	0.005b
Need for any intervention	120	113	7	< 0.001c
Death	20	18	2	0.191
TPN	17 (0-163)	18 (0-163)	10 (0-47)	< 0.001c
EN	1 (0-112)	2 (0-112)	0 (0-34)	0.004b
Length of hospital stay(d)	29 (0-172)	32 (0-172)	19 (5-48)	< 0.001c
Length of stay ICU stay	11 (0-117)	13 (0-28)	7 (0-117)	0.004b
Necrosis degree				0.018a
< 30%	40	26	14
30%-50%	80	65	15
> 50%	85	72	13

^aP < 0.05,

^bP < 0.01,

^cP < 0.001. ERCP: Endoscopic retrograde cholangio pancreatography; CTSI: Computer tomography severity scan; OF: Organ failure; TPN: Total parenteral nutrition; EN: Enteral nutrition; ICU: Intensive care unit.