Figure 1.

β-estimates (95% confidence intervals) for the association of tertiles of serum sodium (T1 = tertile 1; REF = reference group [tertile 2]; T3 = tertile 3) with pulse pressure in model 4 (adjusted for age, race, randomized treatment arm, history of cardiovascular disease, history of heart failure, smoking, body mass index, estimated glomerular filtration rate, urine albumin to creatinine ratio, number of antihypertensive medications, diuretic use, mean arterial pressure, and heart rate).