Document Classification

Section Type: RESULTS

Text: At 48 hours, the mean serum potassium level had decreased from 5. 3 mmol per liter at baseline to 4. 9 mmol per liter in the group of patients who received 2. 5 g of ZS-9, 4. 8 mmol per liter in the 5-g group, and 4. 6 mmol per liter in the 10-g group, for mean reductions of 0. 5, 0. 5, and 0. 7 mmol per liter, respectively (P < 0. 001 for all comparisons) and to 5. 1 mmol per liter in the 1. 25-g group and the placebo group (mean reduction, 0. 3 mmol per liter).