Table 1.

Richness and diversity analysis and bacteria at the phylum level in this study.

	Normal group n=61	Adenoma group n=47	Cancer group n=52
Chao1 Richness Index	66.4±32.6	61.9±29.3	87.8±37.5
Shannon Index	2.36±0.84	2.28±0.82	2.59±0.70
Simpson Index	0.22±0.21	0.25±0.212	0.17±0.13
Firmicutes	33.86%	32.44%	41.87%
Fusobacteria	9.57%	5.22%	17%
Proteobacteria	31.19%	39.92%	13.34%
Bacteroides	16.60%	16.61%	17.31%
Escherichia	18.80%	22.33%	6.79%
Fusobacterium	9.39%	3.12%	14.52%
Streptococcus	6.76%	5.06%	8.69%