Table 1.
Differences in microbial diversity of superficial skin microbiota of men and women
| Alpha diversitya | ||||
|---|---|---|---|---|
| Volunteer | Phylogenetic diversity | Observed OTUs | Shannon | Chao1 |
| F1 | 3.1 | 81.8 | 1.4 | 170.7 |
| F2 | 4.4 | 98.4 | 1.5 | 230.0 |
| F3 | 15.0 | 264.8 | 5.5 | 561.7 |
| F4 | 10.4 | 178.6 | 3.2 | 350.7 |
| F5 | 3.8 | 75.2 | 1.5 | 174.8 |
| F6 | 2.1 | 48.0 | 0.9 | 90.0 |
| Mean female | 6.5 | 124.5 | 2.3 | 263.0 |
| M1 | 10.9 | 167.2 | 3.5 | 340.5 |
| M2 | 9.6 | 172.6 | 3.9 | 360.3 |
| M3 | 4.6 | 94.2 | 2.4 | 183.9 |
| M4 | 14.6 | 246.6 | 5.4 | 519.0 |
| M5 | 7.5 | 151.8 | 3.3 | 337.4 |
| M6 | 11.7 | 210.2 | 4.0 | 416.2 |
| Mean male | 9.8 | 173.8 | 3.8 | 359.6 |
| Significanceb | 0.075 | 0.131 | 0.039 | 0.1 |
aCalculated after rarification to 2,194 reads per sample, average of 5 rarification trials. bP-value of rank test (Mann-Whitney U) of the samples from male volunteers versus the samples from female volunteers.