BSA, body surface area; BMI, Body Mass Index; CAD, coronary artery disease; CHD, congenital heart disease; CTD, connective tissue disease; LHD, left heart disease (coronary artery disease and heart failure); PAH, pulmonary arterial hypertension; Post-PE, post-pulmonary embolism; risk factors (hypertension, dyslipidaemia); SD, standard deviation. Data are expressed as number, mean ± SD.