RESUMEN
The purpose of the study was to find the correlations and to evaluate their strength between the progression of hypertension and age, sex, time between the diagnosis of hypertension and the beginning of treatment, body weight and other characteristics. The study was carried out in the population of patients treated in the Cardiology Department, Medical Academy in Lublin in the period 1981-1984. The computer-assisted analysis of the obtained material was carried out in the Department of Epidemiology, Medical Academy in Lublin. The studied population comprised 320 patients with essential hypertension. In the statistical analysis the chi square test was applied for finding of statistically significant correlations and Pearson test was used for estimation of correlation strength. Statistically significant correlations were obtained between the progression of hypertension and age, sex, time between hypertension diagnosis and present treatment and body weight.