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Chunk #28 — Methods — Samples selection from Biobanks

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Ancestry deconvolution and partial polygenic score can improve susceptibility predictions in recently admixed individuals.
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“UK EURAFR”, “UK EUREAS”, “UK EUREASAFR”. “UK FAREUR”, most likely composed by South Europeans and West Asian individuals, was defined by downsampling to 5000 a group of samples inferred to be more than 95% European by LAD but coming from “non-European” PC space. See Supplementary Table 2 for sample sizes of all UKBB-derived sets.