Comparison 6. Failure to remission (16‐24 weeks).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Citalopram versus other SSRIs	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
1.1 Versus Escitalopram	1	357	Odds Ratio (M‐H, Random, 95% CI)	1.17 [0.74, 1.84]
2 Citalopram versus SNRIs	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
2.1 Versus Venlafaxine XR	1	151	Odds Ratio (M‐H, Random, 95% CI)	0.77 [0.35, 1.70]
3 Citalopram versus other conventional ADs	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
3.1 versus Reboxetine	1	357	Odds Ratio (M‐H, Random, 95% CI)	0.43 [0.28, 0.65]