Table 1.

Difference of alpha diversity index between the GC and control groups

Group	Testing method	Index	P value
GC-VS-Control	T-test	Sobs	0.001267
		Shannon	0.000003
		Simpson	0.000156
		Chao1	0.001763
		Ace	0.006286
	Wilcoxon	Sobs	0.011800
		Shannon	0.000001
		Simpson	0.000001
		Chao1	0.025431
		Ace	0.044121