The minor allele C in <i>GATA4</i>: rs17153694 T > C increased the risk of tetralogy of Fallot, whereas minor alleles in <i>TBX1</i>: rs41298006 G>A, <i>FGF10</i>: rs75629618 C>T, <i>FGF10:</i> rs10461755 G>A, <i>FGF10:</i> rs75632187 A>G, and <i>FGF10:</i> rs12518964 G > A were associated with increased risk of single ventricle.