Table 2.

Richness and diversity analysis

Index	IBD	HC	p
Chao1	180.201 [138.318–418.107]	342.905 [274.985–546.428]	0.0000022*
Shannon	3.869[3.192–5.804]	4.977[4.611–5.804]	0.000021*
Simpson	0.856[0.784–0.956]	0.931[0.898–0.965]	0.001021*
Observed	111.6[85.1–143.5]	249.8[175.2–312.1]	0.0003*

*means the difference is statistically significant