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. Author manuscript; available in PMC: 2016 May 26.
Published in final edited form as: Nat Genet. 2015 Jul 20;47(9):979–986. doi: 10.1038/ng.3359

Table 1. Cohort sample sizes.

GWAS and Immunochip trans-ethnic meta-analysis
Population CD CD controls UC UC controls IBD IBD controls

European GWAS 5956 14927 6968 20464 12882 21770
European Immunochip 14594 26715 10679 26715 25273 26715
Non-European Immunochip 2025 5051 2770 5051 4795 5051

Total 22575 46693 20417 52230 42950 53536