Comparison 1. Psychological therapy vs control comparator ‐ PTSD symptoms ‐ adults.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 PTSD at endpoint	16	1272	Std. Mean Difference (IV, Random, 95% CI)	‐1.07 [‐1.34, ‐0.79]
1.1 EMDR vs control ‐ Adults	2	99	Std. Mean Difference (IV, Random, 95% CI)	‐2.01 [‐2.50, ‐1.52]
1.2 CBT vs control ‐ Adults	12	1008	Std. Mean Difference (IV, Random, 95% CI)	‐0.85 [‐1.13, ‐0.58]
1.3 IPT vs control ‐ Adults	1	20	Std. Mean Difference (IV, Random, 95% CI)	‐1.45 [‐2.46, ‐0.43]
1.4 TFT vs control ‐ Adults	1	145	Std. Mean Difference (IV, Random, 95% CI)	‐1.27 [‐1.63, ‐0.91]
2 PTSD at 1 to 4 months	17	1590	Std. Mean Difference (IV, Random, 95% CI)	‐0.49 [‐0.68, ‐0.31]
2.1 EMDR vs control ‐ Adults	1	64	Std. Mean Difference (IV, Random, 95% CI)	‐1.76 [‐2.34, ‐1.18]
2.2 CBT vs control ‐ Adults	15	1488	Std. Mean Difference (IV, Random, 95% CI)	‐0.40 [‐0.54, ‐0.26]
2.3 IPT vs control ‐ Adults	1	38	Std. Mean Difference (IV, Random, 95% CI)	‐0.99 [‐1.67, ‐0.32]
3 PTSD ≥ 6 months	5	400	Std. Mean Difference (IV, Random, 95% CI)	‐0.37 [‐0.61, ‐0.14]
3.1 CBT vs control ‐ Adults	3	150	Std. Mean Difference (IV, Random, 95% CI)	‐0.45 [‐0.82, ‐0.09]
3.2 Trauma/supportive counselling vs control ‐ Adults	2	250	Std. Mean Difference (IV, Random, 95% CI)	‐0.38 [‐0.84, 0.08]