Research Article

Course of Hyperkalemia in Patients on Hemodialysis

Figure 4

Postdialysis sK+ concentration at each study visit in placebo patients overall and by predialysis sK+ concentration at randomization. Predialysis sK+ measurement at randomization (visit 4, day 1) was used for subgroup stratification. No imputation of missing data was conducted. The dashed line represents the threshold for hypokalemia (i.e., sK+ 3.5 mmol/L). L represents the LIDI visits. LIDI, long interdialytic interval; SD, standard deviation; sK+, serum potassium.