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Irish case families that had a child affected with a neural tube defect.
| Study subjects | Total | Subset genotyped on Illumina platform |
|---|---|---|
| Case families | 558 | 314 |
| Anencephaly | 7 | 5 |
| Spina bifida | 528 | 298 |
| Encephalocele | 23 | 11 |
| All neural tube defects | ||
| Cases | 520 | 295 |
| Case mothers | 507 | 284 |
| Case fathers | 457 | 270 |
| Spina bifida | ||
| Cases | 498 | 284 |
| Case mothers | 477 | 268 |
| Case fathers | 436 | 259 |
