Comparison 11. Failure to complete (side effects).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Citalopram versus TCAs	8	1216	Odds Ratio (M‐H, Random, 95% CI)	0.54 [0.38, 0.78]
1.1 versus Amitriptyline	3	484	Odds Ratio (M‐H, Random, 95% CI)	0.54 [0.34, 0.87]
1.2 versus Clomipramine	1	114	Odds Ratio (M‐H, Random, 95% CI)	0.10 [0.01, 1.97]
1.3 versus Imipramine	2	517	Odds Ratio (M‐H, Random, 95% CI)	0.65 [0.36, 1.19]
1.4 versus Nortriptyline	2	101	Odds Ratio (M‐H, Random, 95% CI)	0.15 [0.02, 1.34]
2 Citalopram versus heterocyclics	2	432	Odds Ratio (M‐H, Random, 95% CI)	0.50 [0.21, 1.18]
2.1 versus Maprotiline	1	96	Odds Ratio (M‐H, Random, 95% CI)	0.19 [0.01, 4.10]
2.2 versus Mianserin	1	336	Odds Ratio (M‐H, Random, 95% CI)	0.54 [0.22, 1.32]
3 Citalopram versus other SSRIs	15		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
3.1 Versus Escitalopram	7	1989	Odds Ratio (M‐H, Random, 95% CI)	1.09 [0.65, 1.82]
3.2 Versus Fluoxetine	3	732	Odds Ratio (M‐H, Random, 95% CI)	1.46 [0.80, 2.67]
3.3 Versus Fluvoxamine	1	217	Odds Ratio (M‐H, Random, 95% CI)	0.56 [0.28, 1.11]
3.4 Versus Paroxetine	1	406	Odds Ratio (M‐H, Random, 95% CI)	0.87 [0.36, 2.09]
3.5 Versus Sertraline	4	860	Odds Ratio (M‐H, Random, 95% CI)	0.69 [0.43, 1.09]
4 Citalopram versus SNRIs	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
4.1 Versus Venlafaxine XR	1	151	Odds Ratio (M‐H, Random, 95% CI)	0.49 [0.12, 2.02]
5 Citalopram versus other conventional ADs	4		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
5.1 versus Mirtazapine	1	270	Odds Ratio (M‐H, Random, 95% CI)	0.82 [0.21, 3.12]
5.2 versus Reboxetine	3	494	Odds Ratio (M‐H, Random, 95% CI)	0.40 [0.13, 1.27]