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Fig. 1 | BMC Cancer

Fig. 1

From: Blood groups A and AB are associated with increased gastric cancer risk: evidence from a large genetic study and systematic review

Fig. 1

Random-effects meta-analysis forest plot of the odds ratio of gastric cancer according to blood group A with respect to group O. The studies are sorted by publication year. The solid squares are centered on the odds ratio (OR) point estimate from each study, and the horizontal line through each square indicates the 95% confidence interval (CI) for the study. The area of each square represents the magnitude of association, and the horizontal tips of the diamond represent the 95% CI

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