Racial differences in the age-related increase in left ventricular mass in youths

Abstract

We determined the factors related to left ventricular mass adjusted for body size in 60 black (mean age, 13±2 years) and 40 white (mean age, 14±2 years) normotensive youths. The factors examined included age, sex, systolic blood pressure, diastolic blood pressure, plasma renin activity, plasma aldosterone concentration, and sodium and potassium intake as determined by 24-hour excretion. Sex (β=13.3, P