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CARDIOVASCULAR JOURNAL OF AFRICA • Volume 31, No 5, September/October 2020
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had systolic blood pressure ≥ 140 mmHg and/or diastolic blood
pressure ≥ 90 mmHg were defined as hypertensive. Diabetes
mellitus was defined as having a fasting blood glucose level >
126 mg/dl (6.99 mmol/l) or current use of a diet or drug to lower
blood glucose level. Hyperlipidaemia was defined as having
total serum cholesterol > 200 mg/dl (5.18 mmol/l), low-density
Fig. 1.
Flow-chart diagram of subject inclusion.