Meta-Analysis
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Oct 28, 2014; 20(40): 14986-14991
Published online Oct 28, 2014. doi: 10.3748/wjg.v20.i40.14986
Figure 6
Figure 6 Funnel plot depicting the distribution of hazard ratios (HRs) comparing overall survival. HR: Hazard ratio.