Table 2.

Species richness indices in the fecal samples

Group	Healthy controls, n = 14	IT phase HBV infection, n = 13	IA phase HBV infection, n = 10	P value
OTUs	633	662	489
α-diversity indexes, median
Chao1	264.310	233.825	227.000	0.924
Shannon	5.020	4.720	4.705	1.739
Simpson	0.940	0.885	0.915	1.666

IT: Immune-tolerant; IA: Immune-active; HBV: Hepatitis B virus; OTUs: Operational taxonomic units.