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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: J Allergy Clin Immunol. 2013 Dec 6;134(1):46–55. doi: 10.1016/j.jaci.2013.08.053

Figure II. QQ and Manhattan plots of 2,253,077 SNPs of 14 GWA studies (N = 8,858).

Figure II

QQ plot of 2,253,077 SNPs of 14 GWA studies. The black dots represent observed P values and the red line represents the expected P values under the null distribution. Manhattan plot showing the association P values of FeNO of the 14 studies. The –log10 of the P value for each of 2,253,077 SNPs (y-axis) is plotted against the genomic position (x-axis).