Table 1 Five migraine study collections included in the meta-analysis

From: Genome-wide analysis of 102,084 migraine cases identifies 123 risk loci and subtype-specific risk alleles

Abbreviation

Full name

Ancestry

Cases

Controls

Case %

Migraine definition

IHGC2016a

Gormley et al. 2016 (ref. 13) (no 23andMe)

European descent

29,209

172,931

14.4

Self-reported and ICHD-II

23andMeb

23andMe, Inc. (23andMe.com)

European descent

53,109

230,876

18.7

Self-reported

UKBB

UK Biobank (ukbiobank.ac.uk)

European, British

10,881

330,170

3.2

Self-reported

GeneRISK

GeneRISK (generisk.fi)

European, Finnish

1,084

4,857

18.2

Self-reported

HUNT

Nord-Trøndelag Health Study (ntnu.edu/hunt)

European, Norwegian

7,801

32,423

19.4

Self-reported migraine or fulfilling modified ICHD-II criteria

  1. aIHGC2016 is a meta-analysis of 21 studies listed in Supplementary Table 1 and does not include data from 23andMe. Some studies of IHGC2016 determined migraine status through clinical phenotyping, while migraine status in other studies is based on self-reported information.
  2. b23andMe includes 30,465 cases from the meta-analysis of Gormley et al.13 and 22,644 new cases. ICHD-II, International Classification of Headache Disorders second edition.
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