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Subgroup analyses for the effects of probiotics on BMI.
| Subgroup | Number of trials | Number of participants | I 2 | Weighted mean difference |
|---|---|---|---|---|
| % | (95% CI) | |||
| Probiotics dosage | ||||
| ≥ 1010 CFU | 6 | 213 | 66.6 | -0.29 (-0.46, -0.12) |
| < 1010 CFU | 4 | 119 | 46.9 | -0.18 (-0.48, 0.12) |
| Number of probiotics species | ||||
| Single | 4 | 138 | 56.8 | -0.36 (-0.52, -0.20) |
| Multiple | 6 | 194 | 55.5 | -0.15 (-0.39, 0.10) |
| Form of probiotics | ||||
| Capsule or powder | 7 | 220 | 64.1 | -0.25(-0.43, -0.07) |
| Food | 4 | 137 | 61.4 | -0.34(-0.57, -0.12) |
