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

Table 10 Correlation between changes in intestinal bacteria and acute lung injury/acute respiratory distress syndrome in the moderately severe acute pancreatitis group

Hydrogen breath test	P value	MSAP group (n = 18)
		Group A (n = 15)	Group B (n = 3)
On admission	0.353	2.59 ± 2.28	1.12 ± 0.04
72 h		1.97 ± 2.81	1.08 ± 0.43
96 h		1.54 ± 0.95	1.82 ± 0.95

MSAP: Moderately severe acute pancreatitis; Group A: PaO₂/FiO₂ = 2; Group B: PaO₂/FiO₂ > 2.