Table 3 Microbial diversity of normal and BV vaginal, penile skin, and urethral specimens
Specimen type | Diversity estimator | BV mean (SD) | Normal mean (SD) | t stat | P value |
|---|---|---|---|---|---|
Vaginal | Chao1 | 27.4 (9.3) | 11.8 (5.9) | 8.475 | 0.001 |
Vaginal | Observed species | 23.2 (7.8) | 9.6 (3.5) | 9.191 | 0.001 |
Vaginal | PD whole tree | 3.1 (0.7) | 1.4 (0.6) | 12.115 | 0.001 |
Penile skin | Chao1 | 38.5 (14.7) | 31.1 (11.3) | 2.189 | 0.038 |
Penile skin | Observed species | 28.3 (10.4) | 23.2 (7.5) | 2.171 | 0.032 |
Penile skin | PD whole tree | 2.8 (0.9) | 2.3 (0.8) | 2.284 | 0.018 |
Male urethra | Chao1 | 34.7 (26.3) | 34.7 (25.3) | 0.007 | 0.995 |
Male urethra | Observed species | 24.6 (17.7) | 26.9 (21.4) | −0.530 | 0.590 |
Male urethra | PD whole tree | 3.0 (1.5) | 3.0 (1.7) | 0.015 | 0.987 |