Table 2.
Prevalence of bacteria at the genus level.
| Non-Smokers (n = 32) |
Smokers (n = 32) |
p | φ | |||
|---|---|---|---|---|---|---|
| Actinobacteria | 15 | (46.9) | 20 | (62.5) | 0.315 | 0.16 |
| Proteobacteria | 10 | (31.3) | 9 | (28.1) | >0.999 | 0.03 |
| Bacteroidetes | 5 | (15.6) | 6 | (18.8) | >0.999 | 0.04 |
| Firmicutes | 28 | (87.5) | 25 | (78.1) | 0.509 | 0.12 |
| Fusobacteria | 6 | (18.8) | 12 | (37.5) | 0.164 | 0.21 |
Data are presented as number (percentage) of participants. p = statistical significance of the prevalence in non-smokers and smokers calculated using the Fisher exact test only for bacteria with the frequency of ≥3; φ = phi coefficient of association.