Abstract
The influence of obesity indices and adipokines on aortic input impedance (Z c ) was determined in 102 African and 115 Caucasian women from South Africa aged 20-55 years after stratification into lean, overweight and obese groups. Z c decreased significantly with increasing weight in both populations, but overweight and obese African women exhibited higher values than their Caucasian counterparts. Multiple regression analysis confirmed weight as major contributor to Z c independently of ethnicity followed by aortic compliance (C w ), age, leptin and pulse pressure.
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