Table 1.
Post QC case/control numbers, as structured for analysis.
| Index GWAS | Ethnicity1 | Epilepsy cases | GGE | Focal | Population controls3 |
|---|---|---|---|---|---|
| EPIGEN-Dublin | Irish | 638 | - | 520 | 2232 |
| EPIGEN-Brussels | Belgian | 505 | 48 | 406 | 1675 |
| EPIGEN-Duke | AA2& EA | 760 | 102 | 551 | 504 |
| EPIGEN-London | British + other | 1007 | 93 | 773 | 2494 |
| ILM Collaboration | European-descent | 1703 | 212 | 1263 | 2699 |
| GenEpa | Finnish | 422 | - | 422 | 1963 |
| EPICURE | NW- European | 1440 | 1440 | - | 2454 |
| Philadelphia_550_AA2 | African American | 324 | 81 | 222 | 2746 |
| Philadelphia_550_CAU | European American | 819 | 440 | 378 | 5736 |
| Philadelphia_Omni_AA | African American | 106 | - | - | 97 |
| Philadelphia_Omni_CAU | European American | 485 | 190 | 288 | 682 |
| Hong Kong | Asian-Han | 487 | - | 487 | 2875 |
| TOTAL | 8696 | 2606 | 5310 | 26157 |
1
Broad ethnicity of the cohort. AA: African American. EA: European American. Other: indicates mixed, as would be expected in a cosmopolitan population. European-descent: European-caucasian. NW-European: North-West European.
2
EPIGEN-Duke individuals of AA ancestry were merged with Philadelphia_550_AAcohort.
3
See Supplementary Table 2 for further details on control cohorts.