Table 3.
Subgroup analysis of Tregs proportions based on markers.
| Treg definition | Number of studies (n) | SMD | 95%CI | (%) | P |
| CD4+CD25+ | 3 | 1.11 | (-1.77,3.98) | 97 | <0.01 |
| CD4+CD25HI | 6 | 0.23 | (-0.26,0.71) | 72 | <0.01 |
| CD4+FoxP3+ | 3 | -1.32 | (-6.12,3.49) | 98 | <0.01 |
| CD4+CD25+FoxP3+ | 12 | -0.75 | (-1.28,-0.22) | 99 | <0.01 |
| CD4+CD25+CD127LO | 6 | -2.18 | (-3.55,-0.81) | 97 | <0.01 |
| CD4+CD25+CD127- | 4 | -0.74 | (-0.91,-0.57) | 8 | 0.36 |
| CD4+CD25HIFoxP3+ | 2 | 0.55 | (-.33,1.42) | 95 | <0.01 |
| CD4+CD25+CD127LO/- | 4 | -0.57 | (-1.46,0.32) | 84 | <0.01 |
| CD4+CD25+FoxP3+CD127- | 1 | 0.88 | (0.18,1.58) | / | / |
| Not specified | 1 | -1.51 | (-1.6,-1.42) | / | / |