Comparison 13. SSRIs versus placebo: response rates.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Low dose SSRI	6	1243	Odds Ratio (M‐H, Random, 95% CI)	1.78 [1.41, 2.25]
1.1 Luteal administration	3	554	Odds Ratio (M‐H, Random, 95% CI)	2.08 [1.46, 2.98]
1.2 Continuous administration	3	689	Odds Ratio (M‐H, Random, 95% CI)	1.59 [1.18, 2.16]
2 Moderate dose SSRI	19	2647	Odds Ratio (M‐H, Random, 95% CI)	2.75 [2.20, 3.44]
2.1 Luteal administration	7	964	Odds Ratio (M‐H, Random, 95% CI)	2.36 [1.71, 3.25]
2.2 Semi‐intermittent administration	1	26	Odds Ratio (M‐H, Random, 95% CI)	1.5 [0.24, 9.38]
2.3 Continuous administration	15	1657	Odds Ratio (M‐H, Random, 95% CI)	3.13 [2.29, 4.27]
3 High dose SSRI	1		Odds Ratio (M‐H, Random, 95% CI)	Subtotals only
3.1 Continuous administration	1	211	Odds Ratio (M‐H, Random, 95% CI)	3.44 [1.86, 6.34]