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Table 4 Correlation of gut microbiota and immune indices: correlation of gut microbiota and T cell levels

From: Possible correlation between gut microbiota and immunity among healthy middle-aged and elderly people in southwest China

 

Middle-aged group

Elderly group

CD3 + 

CD4+ %

CD8+ %

CD4+/CD8+

CD3+

CD4+ %

CD8+ %

CD4+/CD8+

Phylum

 Actinobacteria

0.149

0.098

− 0.186

0.126

0.000

0.010

0.039

− 0.014

 Bacteroidetes

− 0.175

− 0.200

0.254*

− 0.244*

− 0.058

− 0.107

0.135

− 0.120

 Firmicutes

0.124

− 0.239

0.156

− 0.186

0.137

− 0.045

0.005

− 0.022

 Proteobacteria

0.158

− 0.016

− 0.052

0.032

− 0.059

0.088

0.000

0.039

 Verrucomicrobia

− 0.052

0.173

− 0.174

0.179

0.086

− 0.288*

0.197*

− 0.299*

 Bacteroidetes/Firmicutes

− 0.215

− 0.171

0.220

− 0.205

0.026

0.113

− 0.004

0.053

Richness/diversity

 Chao

− 0.145

− 0.084

0.122

− 0.130

0.176

− 0.203

0.128

− 0.166

 Observed Species

− 0.206

− 0.125

0.163

− 0.169

0.212

− 0.186

0.121

− 0.153

 Shannon

− 0.159

− 0.194

0.230

− 0.236

0.087

− 0.092

− 0.007

− 0.031

 Simpson

0.138

0.221

− 0.248*

0.260*

− 0.032

0.044

0.054

− 0.018

  1. The Spearman’s correlation coefficient was calculated between gut microbiota and T cell levels. * and ** significant difference at a P value of < 0.05 and < 0.01, respectively