Table 3.

Microbiota and MD data from the considered studies.

Publication	Reference	Criteria for MDs Evaluation	No. of Subjects (N)	OR	95% CI
					Lower CI	Upper CI
Chen et al., 2018	[67]	DSM, HAMD	48	0.64	0.23	1.76
Chung et al., 2019	[68]	DSM, BAI, BDI	73	0.67	0.36	1.23
Guo et al., 2021	[69]	HAMD, HAMA	18	0.82	0.46	1.46
Hu et al., 2019	[70]	MINI, DSM, HAMD, MADRS	97	1.6	0.87	2.92
Jiang et al., 2015	[71]	HAMD, MADRS	59	0.98	0.51	1.89
Jiang et al., 2018	[72]	MINI, HAMA	76	0.99	0.55	2.77
Kim et al., 2022	[73]	BAI, BDI	39	1.65	0.88	3.09
Lin et al., 2017	[74]	DSM, HAMD	20	0.51	0.28	0.91
Ling et al., 2020	[75]	HAMD, MoCA	66	1.18	0.64	2.16
Liu et al., 2017	[76]	MINI, DSM	35	3.4	1.83	6.31
Rong et al., 2019	[77]	DSM, HAMD	61	0.44	0.22	0.86
Shen et al., 2021	[78]	MINI, HAMD	60	1.11	0.6	2.03
Ye et al., 2021	[79]	DSM, HAMD	54	1.42	0.77	2.64
Cumulative Odds: 1.03

OR: Odds Ratio. CI: Confidence Interval.