HEART RATE LEVELS IN THE POPULATIONS OF THE RUSSIAN FEDERATION AND THE UNITED STATES OF AMERICA DURING THE THIRTY-YEAR PERSPECTIVE

Heart rate (HR) acceleration is one of the risk factors of the number of prevalent chronic non-communicable diseases.Aim. To evaluate changes in mean levels of HR in the Russian Federation (RF) and the United States of America (USA) in different age and sex groups from 1975 to 2014.Material and methods. HR levels in men and women of different age groups were evaluated in the populations of the RF and the USA in 1975-1982 and in 2007-2014 by the secondary analysis of cross-sectional trials data. A total number of cases was 48974.Results. In 80th years of XX century Russian men and women of all age groups had lower HR as compared to the USA, the distinctions were statistically significant in all age groups except for men aged 25-34 years (p