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Fig. 2 | BMC Medical Genetics

Fig. 2

From: The association between apolipoprotein E and gallstone disease: an updated meta-analysis

Fig. 2

Funnel plot for meta-analysis of the association of APOE E4 with GSD risk. a Funnel plot for meta-analysis if APOE E4 (yes vs. no); b) Funnel plot for meta-analysis of APOE E4 assuming an additive model. The x-axis is the standard error of the log-transformed odds ratio (log [OR]), and the y-axis is the log-transformed odds ratio. The horizontal line in the figure represents the overall estimated log-transformed odds ratio. The two diagonal lines represent the pseudo 95% confidence limits of the effect estimate. GSD, gallstone disease; OR, odds ratio

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