Fig. 2
From: Lymph node density as a prognostic variable in node-positive bladder cancer: a meta-analysis
Forest plots of disease-free survival by lymph node density. (Left) The horizontal lines correspond to the study-specific hazard ratio (HR) and 95Â % confidence interval (CI), respectively. The area of the squares reflects the study-specific weight. The diamond represents the pooled results of HR and 95Â % CI. (Right) The Begg test funnel plots for publication bias. Each point represents a separate study of the indicated association. The vertical line represents the mean effects size