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Subgroup analyses for the effects of probiotics on body weight.
| Subgroup | Number of trials | Number of participants | I 2 | Weighted mean difference |
|---|---|---|---|---|
| % | (95% CI) | |||
| Probiotics dosage | ||||
| ≥ 1010 CFU | 5 | 171 | 3.8 | -0.58 (-0.92, -0.23) |
| < 1010 CFU | 4 | 119 | 75.0 | -0.41(-1.15, 0.34) |
| Number of probiotics species | ||||
| Single | 3 | 96 | 0 | -0.49 (-0.92, -0.07) |
| Multiple | 6 | 194 | 68.5 | -0.41 (-0.97, 0.14) |
| Form of probiotics | ||||
| Capsule or powder | 7 | 247 | 19.4 | -0.55(-0.84, -0.26) |
| Food | 3 | 68 | 87.5 | -0.50(-1.68, 0.67) |
