Probiotic supplementation decreases intestinal transit time: Meta-analysis of randomized controlled trials

Table 2 Subject characteristics

Ref.	Age (yr)	Female gender	BMI (kg/m2)	Condition
Agrawal et al[14]	40	100%	25	IBS-C
Bartram et al[15]	23	58%	-	None
Bouvier et al[16]	33	50%	22	None
Holma et al[17]	44	92%1	24	Constipation
Hongisto et al[18]	43	100%	24	Constipation
Malpeli et al[19]	41	100%	-	Constipation
Marteau et al[20]	27	100%	21	None
Rosenfeldt et al[21]	25	0%	-	None
Rosenfeldt et al[21]	25	0%	-	None
Sairanen et al[22]	39	64%	25	None
Waller et al[23]	44	65%	31	Constipation
Waller et al[23]	44	65%	32	Constipation
Krammer et al[24]	50	100%	-	Constipation

¹Percentage estimated from larger study cohort. BMI: Body mass index; IBS-C: Irritable bowel syndrome, constipation predominant; “-“: Represents missing data.