Table 3.

Stratified analysis of alcohol consumption on Shannon and Simpson indices

	Shannon		P value	Simpson		Pa value
	GC cases	controls		GC cases	controls
Drinking
Yes	3.75(0.37)	3.46(0.36)	0.095	0.068(0.022)	0.12(0.06)	0.012
No	3.71(0.53)	3.64(0.51)	0.399	0.084(0.066)	0.094(0.07)	0.189

^anon-parametric test