Comparison 27. SE ‐ Concentration decrease.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Citalopram versus heterocyclics	1	96	Odds Ratio (M‐H, Random, 95% CI)	3.06 [0.12, 77.09]
1.1 versus Maprotiline	1	96	Odds Ratio (M‐H, Random, 95% CI)	3.06 [0.12, 77.09]
2 Citalopram versus other SSRIs	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
2.1 Versus Sertraline	1	400	Odds Ratio (M‐H, Random, 95% CI)	0.50 [0.04, 5.53]
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)	0.68 [0.11, 4.13]