Summary of clinical characteristics of individuals with c.1646+2T>C in FHOD3.

SCD, sudden cardiac death; NYHA, New York Heart Association; Class I, “no symptoms”; Class II, “mild symptoms”; Class III, “marked limitations due to symptoms”; MLVWT, maximal left ventricle wall thickness; LAVI, left atrial volume index; LAD, left atrial diameter; LV, left ventricle; EF, ejection fraction; sPAP, systolic pulmonary artery pressure; AF, atrial fibrillation; NSVT, non-sustained ventricular tachycardia; ICD, implantable cardioverter-defibrillator; N/A, not available. (XLSX)