Comparison 3. Antidepressant versus antidepressant.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3.1 Clinical response	5		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.1.1 Imipramine vs venlafaxine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.1.2 Imipramine vs mirtazapine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.1.3 Imipramine vs fluvoxamine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.1.4 Fluvoxamine vs venlafaxine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.1.5 Sertraline vs paroxetine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.2 Dropouts	5		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.2.1 Imipramine vs venlafaxine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.2.2 Imipramine vs mirtazapine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.2.3 Imipramine vs fluvoxamine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.2.4 Fluvoxamine vs venlafaxine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.2.5 Sertraline vs paroxetine	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected