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

Table 11 Correlation between changes in intestinal bacteria and acute lung injury/acute respiratory distress syndrome in the severe acute pancreatitis group

Hydrogen breath test	P value	SAP group (n = 65)
		Group C (n = 28)	Group D (n = 37)
On admission	0.038	2.39 ± 2.61	1.15 ± 0.58
72 h		1.68 ± 1.85	2.85 ± 4.79
96 h		1.84 ± 1.86	1.31 ± 0.71

SAP: Severe acute pancreatitis; Group C: PaO₂/FiO₂ = 2; Group D: PaO₂/FiO₂ > 2.