Factors influencing analysis of the efficacy of probiotics combined with enteral nutrition in postoperative patients with colorectal cancer

Table 3 Comparison of intestinal mucosal barrier function indicators

Index	Good efficacy group (n = 279)	Poor efficacy group (n = 232)	t value	P value
DAO (U/L)
Preoperative	4.27 ± 0.48	4.27 ± 0.39	0.066	0.947
Postoperative day 1	5.73 ± 1.07	5.69 ± 1.06	0.41	0.682
Postoperative day 7	3.98 ± 0.62	4.11 ± 0.58	2.493	0.013
I-FABP (μg/L)
Preoperative	50.53 ± 12.95	51.42 ± 11.07	0.832	0.406
Postoperative day 1	70.65 ± 11.54	69.88 ± 11.92	0.746	0.456
Postoperative day 7	47.54 ± 10.27	50.21 ± 12.83	2.564	0.011
LPS (U/L)
Preoperative	4.53 ± 0.84	4.47 ± 0.62	0.876	0.382
Postoperative day 1	7.64 ± 1.52	7.59 ± 1.97	0.298	0.766
Postoperative day 7	4.59 ± 1.32	4.87 ± 1.55	2.218	0.027
D-Lac (mg/L)
Preoperative	6.89 ± 1.24	6.92 ± 1.48	0.247	0.805
Postoperative day 1	13.27 ± 2.31	13.18 ± 2.24	0.457	0.648
Postoperative day 7	6.63 ± 1.22	7.02 ± 2.37	2.243	0.026

DAO: Diamine oxidase; I-FABP: Intestinal fatty acid binding protein; LPS: Lipopolysaccharide.