Figure 1:
Plasma aldosterone levels in subjects with hypertension stratified by number of anti-hypertensive drugs taken. Median (line in box), Q1 (lower box), Q3 (upper box) and mean (diamond). The whiskers extend to 1.5×IQR above and below the box (or the max or min values if there are no points outside of 1.5×IQR from the box). The circles are subjects that are above 1.5× IQR. Unadjusted P< .001. Anti-HTN= anti-hypertensive.
