Comparison 45. SE ‐ Gastrointestinal.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Citalopram versus TCAs	3	146	Odds Ratio (M‐H, Random, 95% CI)	0.77 [0.28, 2.15]
1.1 versus Amitriptyline	2	103	Odds Ratio (M‐H, Random, 95% CI)	0.45 [0.10, 2.07]
1.2 versus Imipramine	1	43	Odds Ratio (M‐H, Random, 95% CI)	1.2 [0.30, 4.74]
2 Citalopram versus other SSRIs	3		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
2.1 Versus Escitalopram	2	375	Odds Ratio (M‐H, Random, 95% CI)	1.14 [0.54, 2.40]
2.2 Versus Sertraline	2	545	Odds Ratio (M‐H, Random, 95% CI)	0.62 [0.30, 1.30]
3 Citalopram versus MAOIs or newer ADs	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
3.1 versus Moclobemide	1	42	Odds Ratio (M‐H, Random, 95% CI)	1.13 [0.28, 4.47]
4 Citalopram versus non‐conventional ADs	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
4.1 versus Hypericum (St. John's wort)	1	258	Odds Ratio (M‐H, Random, 95% CI)	2.41 [1.12, 5.18]