Table 5.

Meta-regression for each moderator covariate

	Effect size	95%	CI	P Value	Χ2	I2
Publication date (per year)	0.96	0.85,	1.09	0.551	0.319	12.70
RCT study compared with non-RCT	0.66	0.34,	1.27	0.219	0.403	3.60
Route compared with lower route
Capsules	2.48	1.01,	6.06	0.047	0.531	0.10
Upper route	1.05	0.38,	2.91	0.931
FMT	1.15	0.97,	1.37	0.115	0.489	0.20
Antibiotic	2.02	0.92,	2.00	0.037	0.655	0.20
Mayo score (per point)	1.05	0.57,	4.95	0.159	0.431	1.30

CI, confidence interval; FMT, fecal microbiota transfer; RCT, randomized controlled trials.

Observed effect size and 95% CI, the P value, and the homogeneity parameters (ratio I² and P value of the χ² test of homogeneity).