Abstract
Reports suggest that hypertension and death due to hypertensive disease are commoner among black than among white people. One hundred and thirty-five black patients attending hypertension clinics at three English hospitals were compared with age-, sex-, and clinicmatched white patients. The black women had higher blood pressures and weighed more than the white women, but there were no differences between the men. The black patients had not increased risk from family, obstetric, or smoking history. Proteinuria and nocturia were more common in black patients while urinary infections were less common. Heart size and left ventricular voltage were greater in black patients. Haemoglobin and plasma cholesterol and triglyceride concentrations were smaller and serum globulin concentration greater in black patients. No difference in response to treatment, attributable to race, was observed during the period of clinic attendance, which averaged 1.7 years. There was a slightly greater rate of default among black men during the first year of attendance.
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