Comparison 6. Medication versus Placebo: Extension data.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2 Relapse data: Number of participants to relapse	2	215	Risk Ratio (M‐H, Random, 95% CI)	0.29 [0.12, 0.70]
2.1 SSRIs	2	215	Risk Ratio (M‐H, Random, 95% CI)	0.29 [0.12, 0.70]
3 Continuation trials: Symptom severity on the CAPS	1	16	Mean Difference (IV, Random, 95% CI)	9.62 [‐3.53, 22.77]
3.1 SSRIs	1	16	Mean Difference (IV, Random, 95% CI)	9.62 [‐3.53, 22.77]