Hardy–Weinberg equilibrium of GDF1 SNP rs4808863 allele frequencies
| Genotype | ||||||
|---|---|---|---|---|---|---|
| SNP | Group | CC | CT | TT | χ2 | p Value |
| rs4808863 | CHDs | 71 | 48 | 2 | 3.74 | 0.053 |
| Controls | 95 | 26 | 3 | 0.02 | 0.886 | |
CC, CT and TT were genotypes of GDF1 SNP rs4808863.
CHDs, congenital heart defects; SNPs, single-nucleotide polymorphisms.