| Middle-aged group | Elderly group | ||||||
---|---|---|---|---|---|---|---|---|
CD3Â +Â | 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 |