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

Table 4 Comparison of gut microbiota indicators (lgCFU/g, mean ± SD)

Index	Good efficacy group (n = 279)	Poor efficacy group (n = 232)	t value	P value
Bifidobacterium
Preoperative	9.27 ± 0.47	9.25 ± 0.49	0.445	0.656
Postoperative day 1	6.33 ± 0.56	6.29 ± 0.58	0.683	0.495
Postoperative day 7	9.01 ± 0.53	8.87 ± 0.68	2.492	0.013
Fusobacterium nucleatum
Preoperative	11.39 ± 0.64	11.46 ± 0.39	1.642	0.101
Postoperative day 1	7.38 ± 0.46	7.41 ± 0.32	0.932	0.352
Postoperative day 7	5.94 ± 0.45	6.03 ± 0.2	3.014	0.003
Lactobacillus
Preoperative	9.07 ± 0.55	9.02 ± 0.59	0.863	0.389
Postoperative day 1	6.27 ± 0.49	6.26 ± 0.5	0.375	0.708
Postoperative day 7	8.75 ± 0.75	8.62 ± 0.53	2.145	0.032
Bacteroides fragilis
Preoperative	12.07 ± 0.68	11.98 ± 0.75	1.381	0.168
Postoperative day 1	8.27 ± 0.59	8.17 ± 0.72	1.721	0.086
Postoperative day 7	5.68 ± 0.29	5.74 ± 0.27	2.75	0.006