Comparison 10. Failure to complete (any cause).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Citalopram versus TCAs	8	1209	Odds Ratio (M‐H, Random, 95% CI)	0.81 [0.61, 1.07]
1.1 versus Amitriptyline	4	535	Odds Ratio (M‐H, Random, 95% CI)	0.70 [0.47, 1.04]
1.2 versus Clomipramine	1	114	Odds Ratio (M‐H, Random, 95% CI)	1.63 [0.61, 4.36]
1.3 versus Imipramine	2	517	Odds Ratio (M‐H, Random, 95% CI)	0.88 [0.55, 1.41]
1.4 versus Nortriptyline	1	43	Odds Ratio (M‐H, Random, 95% CI)	0.63 [0.19, 2.08]
2 Citalopram versus heterocyclics	3	492	Odds Ratio (M‐H, Random, 95% CI)	0.75 [0.46, 1.22]
2.1 versus Maprotiline	1	96	Odds Ratio (M‐H, Random, 95% CI)	0.82 [0.35, 1.96]
2.2 versus Mianserin	2	396	Odds Ratio (M‐H, Random, 95% CI)	0.72 [0.40, 1.29]
3 Citalopram versus other SSRIs	18		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
3.1 Versus Escitalopram	8	2206	Odds Ratio (M‐H, Random, 95% CI)	0.92 [0.64, 1.31]
3.2 Versus Fluoxetine	4	799	Odds Ratio (M‐H, Random, 95% CI)	1.16 [0.81, 1.67]
3.3 Versus Fluvoxamine	1	217	Odds Ratio (M‐H, Random, 95% CI)	0.71 [0.37, 1.33]
3.4 Versus Paroxetine	1	406	Odds Ratio (M‐H, Random, 95% CI)	1.01 [0.62, 1.63]
3.5 Versus Sertraline	5	911	Odds Ratio (M‐H, Random, 95% CI)	0.74 [0.51, 1.08]
4 Citalopram versus other conventional ADs	5		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
4.1 versus Reboxetine	4	1095	Odds Ratio (M‐H, Random, 95% CI)	0.71 [0.42, 1.21]
4.2 versus Mirtazapine	1	270	Odds Ratio (M‐H, Random, 95% CI)	0.42 [0.18, 1.01]
5 Citalopram versus non‐conventional ADs	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
5.1 versus Hypericum (St. John's wort)	1	258	Odds Ratio (M‐H, Random, 95% CI)	3.01 [0.93, 9.72]