Figure 4From: Antidepressants in the treatment of depression/depressive symptoms in cancer patients: a systematic review and meta-analysis Funnel plot. The funnel plot reveals no gap on the left bottom size as an indicative for selective reporting of positive findings in studies with larger error and few participants. On the contrary there is a gap on the right size towards the bottom. Conceivably this is a random effect because of the small number of studies.Back to article page