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Fig. 2 | BMC Psychiatry

Fig. 2

From: Comparative efficacy of placebos in short-term antidepressant trials for major depression: a secondary meta-analysis of placebo-controlled trials

Fig. 2

Forest plot. Forest plot comparing placebo efficacy estimates on the standardized mean difference (SMD) scale with credible intervals [CrI]. Circle size is proportionate to trial size. The last placebo in alphabetical order (VENVORp) was chosen as reference placebo, which is thus set to zero in this plot. Placebos are ranked from most to least effective (top to bottom). See Fig. S3 for details on all placebos

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BMC Psychiatry

ISSN: 1471-244X

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