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.

Zeeuwen et al. Genome Biology 2012 13:R101   doi:10.1186/gb-2012-13-11-r101

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