Intestinal bacterial overgrowth in the early stage of severe acute pancreatitis is associated with acute respiratory distress syndrome

Table 1 Clinical characteristics

Variable	Total	MAP group	MSAP group	SAP group
Number of patients	149	66	18	65
Age, yr, (mean ± SD)	42.26 ± 12.95	36.62 ± 9.74	47.17 ± 15.17	43.00 ± 13.95
Sex (male/female)	114/35	53/13	13/5	48/17
BMI (kg/m2)	28.21 ± 3.85	27.19 ± 3.77	27.98 ± 4.60	29.47 ± 3.77
APACHE-II score	5.92 ± 3.02	4.00 ± 3.23	6.50 ± 4.75	7.26 ± 4.07
Mortality (%)	0	0	0	0

MAP: Mild acute pancreatitis; MSAP: Moderately severe acute pancreatitis; SAP: Severe acute pancreatitis; BMI: Body mass index; APACHE: Acute Physiology and Chronic Health Evaluation.