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. 2014 Dec 8;4:7351. doi: 10.1038/srep07351

Figure 4. Quantile-Quantile plot of the GWAS results.

Figure 4

Plot compares observed −log10 p values of the tested SNPs on the vertical axis to expected −log10 p values under the null hypothesis on the horizontal axis. The genomic control ratio was 1.073, indicating the lack of strong effect of systematic error such as population stratification.