Systematic Review
Copyright ©The Author(s) 2019.
World J Meta-Anal. Jun 30, 2019; 7(6): 309-322
Published online Jun 30, 2019. doi: 10.13105/wjma.v7.i6.309
Figure 3
Figure 3 Forest plot of direct comparison meta-analysis of overall survival. Squares and horizontal lines correspond to the study-specific HRs and 95% CIs, respectively. The area of the squares correlates with the weight of each enrolled study, and the diamonds represent the summary HRs and 95% CIs. HRs: Hazard ratios; CI: Confidence interval.