Figure 1From: Menopausal hormone therapy after breast cancer: a meta-analysis and critical appraisal of the evidenceRelative risks for recurrent breast cancer associated with hormone therapy (HT). Each black circle indicates the relative risk for recurrent breast cancer; the horizontal lines indicate the 95% confidence interval (CI). The top portion of the figure describes randomized controlled trials, the middle portion describes observational studies, and the bottom portion describes all trials combined.Back to article page