Figure 2.

Forest plot of SMDs of circulating ghrelin concentration between H pylori positive and H pylori negative subjects (the top forest plot labelled 'actual' represents the analysis on which the inference was made. The lower forest plot labelled 'removed' were studies excluded from the meta-analysis but displayed here to demonstrate their characteristics for readers that might be interested. The values at the bottom of the forest plot represents the overall effect size for both the 'actual' and the 'removed'