Table 3.

The abundance of dominant bacterial genera in the four groups

Taxon	HC	HAU-CC	HAU-GS	HAU-UC
Streptococcus	0.4354 ± 0.1404	0.2942 ± 0.0844	0.3414 ± 0.2292	0.1981 ± 0.0616
Neisseria	0.1094 ± 0.0675	0.1124 ± 0.0819	0.1265 ± 0.0906	0.2288 ± 0.1157
Veillonella_A	0.0716 ± 0.0416	0.0282 ± 0.0265	0.0551 ± 0.0646	0.031 ± 0.0335
Haemophilus_D	0.0405 ± 0.0298	0.1001 ± 0.1029	0.1165 ± 0.0681	0.1717 ± 0.0566
Pauljensenia	0	0.0142 ± 0.0237	0	0.0122 ± 0.0111