Comparison 13. RIMAs versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
13.1 Clinical Global Impressions Scale Improvement Item (CGI‐I)	2		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
13.1.1 No. of responders	2	178	Risk Ratio (M‐H, Random, 95% CI)	0.80 [0.44, 1.44]
13.2 Drop‐out rate due to treatment emergent adverse effects	2		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
13.2.1 Dropout rate	2	159	Risk Ratio (M‐H, Random, 95% CI)	0.97 [0.91, 1.04]
13.3 Clinically Administered PTSD Scale (CAPS): reduction of PTSD symptoms	2		Mean Difference (IV, Random, 95% CI)	Subtotals only
13.3.1 CAPS Total Score	2	178	Mean Difference (IV, Random, 95% CI)	‐5.06 [‐15.93, 5.81]
13.4 Drop‐out rate due to any cause	1		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
13.4.1 Dropout rate	1	64	Risk Ratio (M‐H, Random, 95% CI)	1.04 [0.49, 2.22]