Figure 1.

Serum K⁺ levels over time during the treatment phase. a, Treatment phase primary endpoint: Mean serum K⁺ change from baseline to week 4. b, Mean serum K⁺ change from baseline to week 4 over time. Secondary endpoint: 76% and 75% of patients with and without HF, respectively, had serum K⁺ 3.8 to < 5.1 mEq/L at week 4. HF, heart failure; CI, confidence interval; K⁺, potassium; SE, standard error.