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Table 1 Diversity metrics and relative abundance data for prevalent bacterial phyla between faecal subsamples. Data are presented as mean ± SD (median; range)

From: The impacts of faecal subsampling on microbial compositional profiling

 

Sub-sample 1

Sub-sample 2

p-value

Diversity metrics

 OTU count

243 ± 75 (243; 140–362)

237 ± 71 (235; 135–360)

0.32

 Shannon Index

4.69 ± 0.69 (4.83; 3.71–5.50)

4.77 ± 0.69 (4.88; 3.70–5.75)

0.29

Phyla (relative abundance)

 Actinobacteria

0.41 ± 0.25 (0.41; 0.02–0.81)

0.42 ± 0.32 (0.29; 0.01–0.98)

0.80

 Bacteroidetes

30.9 ± 12.1 (29.8; 15.4–49.0)

29.7 ± 11.2 (28.3; 16.8–47.1)

0.51

 Firmicutes

63.2 ± 11.3 (58.8; 50.0–81.3)

65.7 ± 10.5 (65.7; 52.0–81.2)

0.35

 Proteobacteria

1.78 ± 1.85 (1.03; 0.19–6.20)

1.22 ± 0.80 (0.99; 0.24–2.62)

0.92a

 Verrucomicrobia

3.57 ± 5.83 (1.37; 0–18.0)

2.78 ± 4.14 (1.06; 0.0–12.6)

0.59a

  1. ap value from Wilcoxon sign-ranked test