Fig. 1

Distributions of the estimated 24-h urinary salt (A) and potassium (B) excretion values according to sex. A Each bar in the graph represents a percentage of patients for every 1 g/day of the estimated 24- urinary salt excretion in men (shaded bar) and women (open bar). B Each bar in the graph represents a percentage of patients for every 0.2 g/day of the estimated 24-h urinary potassium excretion