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Norepinephrine (NE), Plasma renin activity (PRA) and twenty-four hour sodium excretion (UNa 24H) in healthy normotensive volunteers (HV, N = 20), obese normotensive and hypertensive patients (OB, N = 20), and in hypertensive resistant patients (RH, N = 13). NE, PRA and UNa 24H were measured in the same experimental setting. Data are expressed as median and interquartile range, minimum and maximum (A) and mean ± SD (B).
