[Arterial hypertension in childhood and adolescence].

One thousand six hundred and ninety-eight children and adolescents four to eighteen years-old were studied, eight hundred and forty of them were males and eight hundred and fifty-eight females. No individual following, was performed. Two determinations of both systolic and diastolic pressure were registered after a fifteen minutes rest, and the average figures of both, of them was registered. The group analyzed belonged to upper middle class and the hypertension figures were: females 28 (3.26%) and males 30 (3.57%). The influence of bodily area was observed en hypertensive patients. Those located between the average +/- two standard deviations were considered as normal. (95% of the cases).