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Table 1 Results of two-way ANOVA on the effects of age and sex on abundance of the main bacterial phyla identified in the gut microbiota

From: Sex differences in the phylum‐level human gut microbiota composition

Source of variation

DF

F

P

Actinobacteria

  Sex

1

3.73

0.05

  Age

2

0.72

0.49

  Sex×Age Interaction

2

0.21

0.81

Bacteroidetes

  Sex

1

3.91

0.05

  Age

2

16.58

< 0.001

  Sex×Age Interaction

2

0.31

0.74

Firmiticus

  Sex

1

6.27

0.01

  Age

2

21.40

< 0.001

  Sex×Age Interaction

2

0.77

0.46

 F/B

  Sex

1

4.19

0.04

  Age

2

17.75

< 0.001

  Sex×Age Interaction

2

0.39

0.68

  1. In the ANOVA calculation, three age groups (0–29, 30–49, 50+) were used when applying age as a grouping factor. A rank transformation procedure was used in order to apply ANOVA to the data
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BMC Microbiology

ISSN: 1471-2180

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