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
|
- 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.
- 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