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. 2016 Feb 17;8:20. doi: 10.1186/s13073-016-0272-5

Fig. 2.

Fig. 2

Mean SNP effect size by a 2-year time period. With larger sample sizes, GWAS were able to detect SNPs with smaller and smaller effect sizes. This brought down the mean effect size for each disease by year (with the exception of PrCa in 2009 which saw a slight bump)