Table 3.
Taxa with significant changes at family and genus levels between clean and smog days (Wilcoxon test).
| Taxa | Affiliated phylum | Mean relative abundance (%) | P value | |
|---|---|---|---|---|
| Clean days | Smog days | |||
| Asthmatic children | ||||
| Family Bifidobacteriaceae | Actinobacteria | 7.86 | 6.79 | 0.04 |
| Family Erysipelotrichaceae | Firmicutes | 2.07 | 1.95 | <0.01 |
| Family Streptococcaceae | Firmicutes | 1.82 | 1.92 | 0.04 |
| Family Porphyromonadaceae | Bacteroidetes | 1.10 | 1.63 | <0.01 |
| Family Rikenellaceae | Bacteroidetes | 0.69 | 1.04 | <0.01 |
| Family Bacteroidales S24-7 group | Bacteroidetes | 0.31 | 1.15 | 0.03 |
| Genus Clostridium sensu stricto 1 | Firmicutes | 1.66 | 0.28 | 0.01 |
| Genus Bacteroides | Bacteroidetes | 14.13 | 21.54 | 0.05 |
| Healthy children | ||||
| Family Rikenellaceae | Bacteroidetes | 0.53 | 0.66 | 0.04 |
| Genus Fusicatenibacter | Firmicutes | 4.32 | 0.26 | 0.03 |
| Genus Terrisporobacter | Firmicutes | 0.71 | 1.90 | 0.03 |