Effects of early enteral nutrition on immune function of severe acute pancreatitis patients

Table 1 Demographic data and clinical parameters on admission

	DEN group	EEN group	P value
	(n = 30)	(n = 30)
Age (yr)	43 (34.5-51)	45 (35-52)	0.594
Sex (male:female)	18:12	20:10	0.287
Etiology n (%)
Biliary origin	17 (57)	19 (63)	0.278
Hyperlipidemia	8 (27)	6 (20)	0.373
Alcohol abuse	3 (10)	4 (13)	1.000
Idiopathic	2 (7)	1 (3)	1.000
BMI	24.6 (23.5-26.8)	25.8 (23.9-28.8)	0.158
APACHEII score	9.5 (8.5-11)	10 (8-11.5)	0.994
SOFA score	4.5 (3.5-5.5)	4 (3-5)	0.880
CRP (mg/L)	203.5 (188-253)	195 (161-247.5)	0.214

DEN: Delayed enteral nutrition; EEN; Early enteral nutrition; BMI: Body mass index; APACHEII: Acute physiology and chronic health evaluation II; SOFA: Sequential organ failure assessment; CRP: C-reactive protein.

Table 2 Clinical outcome variables n (%)

	DEN group (n = 30)	EEN group (n = 30)	P value
Hospital mortality	1 (3)	2 (7)	1.000
ICU stay (d)	12 (8-21)	9 (5-14)	0.033
Pancreatic infection	10 (33)	3 (10)	0.028
MODS	13 (43)	5 (17)	0.024
SIRS	22 (73)	12 (40)	0.009
Surgical operation	4 (13)	2 (7)	0.671

DEN: Delayed enteral nutrition; EEN: Early enteral nutrition; ICU: Intensive care unit; MODS: Multiple organ dysfunction syndrome; SIRS: Systemic inflammatory response syndrome.