Table 5.

Subgroup analyses for the effects of probiotics on fat mass.

Subgroup	Number of trials	Number of participants	I 2	Weighted mean difference
			%	(95% CI)
Probiotics dosage
≥ 1010 CFU	7	261	52.5	-1.08 [-1.21, -0.95]
< 1010 CFU	2	50	27.2	-1.00 [-1.59, -0.42]
Number of probiotics species
Single	5	186	0	-1.15 [-1.28, -1.02]
Multiple	3	125	0	-0.60 [-0.94, -0.26]
Form of probiotics
Capsule or powder	6	224	53.0	-1.07 [-1.20, -0.94]
Food	2	87	20.0	-1.13 [-1.58, -0.67]