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. Author manuscript; available in PMC: 2012 Apr 24.
Published in final edited form as: Circ Cardiovasc Genet. 2012 Feb 7;5(2):217–225. doi: 10.1161/CIRCGENETICS.111.961243

Figure 3.

Figure 3

The effect of ethnicity of rs3869109. A) A map of Europe with countries colored to reflect collected ethnic information B) First main principal component for PCA performed on SNPs genotyped in the entire discovery cohort, broadly corresponding to Northern versus Southern geographic background, with a subset colored according to ethnicity. Horizontal axis variation is uniform normal random distribution for ease of visual interpretation. See Figure S2 for the second main principal component and more details. C) Predicted frequency of rs3869109 in cases and controls with respect to first main principal component. This graph is aligned vertically with Panel C.