Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. May 28, 2014; 20(20): 6336-6344
Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6336
Figure 3
Figure 3 Begg’s and Egger’s funnel plots used to detect publication bias in overall survival (A and B) and disease-free survival (C and D) studies. No funnel plot asymmetry was detected in any included studies, which suggests that the meta-analysis lacked publication bias.