[Incidence of hypertension in children and adolescents in a large city].

From a longitudinal study of 3,000 children and adolescents, in whom were established 107 medical and social parameters per pupil in 1,447 pupils of the classes 1--10 of three polytechnical 10-year schools of the City of Leipzig the behaviour of the blood pressure under normal conditions was investigated. The systolic values increase continuously and they reach the highest values of the series in boys at the age of 15 and in girls at the age of 14. The diastolic values have their highest values in either sex at the age of 11 and after that they slightly decrease. In 135 pupils increases blood pressures values were found. Among them were 62 boys (n 8.6%) and 73 girls (= 10.1%).