Table 1.

Comparison of endotoxin level and colonization ability of intestinal flora between the two groups.

	Endotoxin level (EU/mL)	Colonization ability of intestinal flora
Normal group	0.8 ± 0.1	1.4 ± 0.2
Observation group	1.3 ± 0.2	0.7 ± 0.1
t	14.142	19.799
P	<0.001	<0.001