Meta-Analysis
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Oct 28, 2014; 20(40): 14965-14972
Published online Oct 28, 2014. doi: 10.3748/wjg.v20.i40.14965
Figure 1
Figure 1 Flow diagram of the study selection process. H. pylori: Helicobacter pylori.
Figure 2
Figure 2 Meta-analysis of the prevalence of Helicobacter pylori infection in the migraine group compared with the control group. Weights are from random effects analysis.
Figure 3
Figure 3 Sensitivity analysis of the five included studies.
Figure 4
Figure 4 Forest graph of Helicobacter pylori infection. Weights are from random effects analysis. A: Stratified by geographic distribution; B: Stratified by the quality of evidence for each included study; C: Stratified by the publication year.
Figure 5
Figure 5 Funnel plot to detect publication bias.