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Table 3 Microbial diversity of normal and BV vaginal, penile skin, and urethral specimens

From: Bacterial communities in penile skin, male urethra, and vaginas of heterosexual couples with and without bacterial vaginosis

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
  1. SD standard deviation