Study Population
Between October 2016 and June 2019, 1046 healthy volunteers from all regions of Turkey were evaluated in the study. The exclusion criteria included the following; people under 18 years of age, patients who had history of having any cardiovascular disease, hypertension, diabetes mellitus, hyperlipidemia, systemic disease, glomerular filtration rate under 60ml/min/1.73m², genetical disease with cardiac involvement in the first-degree relatives, electrocardiography (ECG) without sinus rhythm or with left bundle branch block, waist circumference more than 102 cm in men and 88 cm in women, high body mass index, abnormal glycaemia values, smoking and/or alcohol abus\soute, and regarding the echocardiographical examination, any regurgitation of heart valves more than mild, stenosis of any valve, left ventricular ejection fraction less than 50%, any wall motion abnormality, systolic pulmonary artery pressure more than 35mmHg and volunteers with poor image quality. Ultimately, 967 volunteers constituted the study population.
Baseline measurements included assessment of blood pressure, weight (kilograms); height (centimeters), body mass index and body surface area. Basic hematological and biochemical parameters were also recorded.