Table 2.

Sequencing results and diversity index of two groups of samples. *The operational taxonomic units (OTUs) were defined at the 97% similarity level

	Group		P value
	RS1	RS2
ACE	2032.94 ± 1342.18	1468.45 ± 1207.79	0.37
Chao1	2200.16 ± 1437.12	1664.03 ± 1300.57	0.51
Simpson	0.91 ± 0.12	0.86 ± 0.13	0.20
Shannon	6.87 ± 2.73	5.28 ± 2.44	0.22