Table 2. Relative abundance at the phylum level and statistical significance among three groups.
| Phylum | Relative abundance (%) |
Significance |
||||
|---|---|---|---|---|---|---|
| LH | HH | T | LHvsHH | LHvsT | HHvsT | |
| Firmicutes | 75.311 | 90.453 | 92.770 | * | ** | NS |
| Bacteroidetes | 23.591 | 7.983 | 4.690 | * | ** | NS |
| Actinobacteria | 0.802 | 0.210 | 0.616 | * | NS | NS |
| Cyanobacteria | 0.008 | 0.001 | 0.015 | NS | NS | * |
| Fusobacteria | 0.004 | 0.020 | 0.001 | NS | NS | * |
| Verrucomicrobia | 0.003 | 0.004 | 0.012 | NS | * | NS |
LH = Chinese Han living in Shaanxi; HH = Chinese Han living in Tibet; T = Tibetans.
Significance: NS > 0.05, *≤0.05, **≤0.01.