Genotypes at the RET locus in Hadad and congenital central hypoventilation syndrome
| Haplotypes | Haddad (n = 44) | CCHS (n = 99) | Odds ratios |
|---|---|---|---|
| ATA is the hypomorphic, HSCR predisposing RET haplotype and GCG the protective RET haplotype. | |||
| CCHS, congenital central hypoventilation syndrome; HSCR, Hirschsprung’s disease. | |||
| ATA/ATA | 7 | 6 | 4.74 |
| ATA/ATG | |||
| ATA/GCG | 21 | 28 | 2.39 |
| GCG/GCG | 16 | 65 | 1 |