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Table 1 The alpha diversity estimation of sequencing results in this study

From: The characteristics of gut microbiota and commensal Enterobacteriaceae isolates in tree shrew (Tupaia belangeri)

Variables Groups Indexes (mean ± STD)
Numbers of OTUs Chao1 Shannon entropy Simpson’s index
Gender Male 763.90 ± 183.57 1415.49 ± 358.88 4.25 ± 0.95 0.85 ± 0.11
Female 658.03 ± 217.81 1290.31 ± 412.13 3.97 ± 1.18 0.78 ± 0.16
T-test 2.04 1.96 1.85 1.91
P value 0.046 0.058 0.079 0.061
Age groups Infant 477.44 ± 224.85a 828.44 ± 375.96a 3.19 ± 1.23b 0.72 ± 0.19
Young 697.10 ± 147.22 1263.44 ± 280.52 4.10 ± 1.01 0.80 ± 0.17
Middle 719.78 ± 184.83 1318.21 ± 356.67 4.19 ± 1.05 0.83 ± 0.12
Senile 806.09 ± 168.54 1503.51 ± 330.79 4.57 ± 0.93 0.85 ± 0.11
F (ANOVA) 7.26 8.65 3.91 2.04
P value 0.000 0.000 0.013 0.118
  1. athe numbers of OTUs and Chao1 indexes of infant group had statistical significance (P < 0.05) with both young, middle and senile groups. No significant difference was found between young, middle and senile groups.
  2. bShannon entropy index of infant group had statistical significance (P < 0.05) with middle and senile group, but no significant difference were found between young, middle and senile groups