Comparison 11. Sensitivity analysis: type of control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 PTSD diagnosis	7		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
1.1 Inactive control	5	1067	Odds Ratio (M‐H, Random, 95% CI)	0.53 [0.32, 0.88]
1.2 Active control	2	129	Odds Ratio (M‐H, Random, 95% CI)	0.23 [0.05, 1.14]
2 PTSD total symptoms	21		Std. Mean Difference (IV, Random, 95% CI)	Subtotals only
2.1 Inactive control	15	2856	Std. Mean Difference (IV, Random, 95% CI)	‐0.40 [‐0.61, ‐0.19]
2.2 Active control	6	431	Std. Mean Difference (IV, Random, 95% CI)	‐0.25 [‐0.58, 0.09]