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Distribution of blood pressure and prevalence of arterial hypertension in the old population of Cracow.

The aim of the present epidemiological study was to recognize the distribution of blood pressure (BP) and the prevalence of arterial hypertension (AH) in the aged (> or = 70 years) population in Cracow. The data were obtained from the studied group of 512 persons (153 men and 359 women) which corresponds to 72.4% of the randomly chosen group. The mean systolic BP was 159.7 in males and 164.3 mmHg in females (p < 0.05). Diastolic BP was 86.3 mmHg and 87.3 mmHg (n.s.), respectively. We observed the single peaked distribution of BP. According to the WHO epidemiological criteria of AH (BP > or = 160 = 95 mmHg) hypertension was found in 60.6% (49.7% M and 64.8% F) with systolic AH 32.3%, systolic+diastolic in 25.4% and diastolic AH alone in 2.9% of this group.