Table 2.

Efficacy outcomes by SPS dose

	Pre-SPS potassium (mEq/L)	Post-SPS potassium (mEq/L)	Difference (mEq/L)	Time to post-SPS potassium (h)	P
CKD 4, 5, and ESRD  30 g oral SPS (n = 61)	5.7 (5.5–5.8)	4.9 (4.7–5.2)	0.8 (0.4–1.1)	14 (10–18)	<0.001
15 g oral SPS (n = 53)	5.6 (5.5–5.7)	5.1 (4.8–5.4)	0.5 (0.2–0.9)	16 (12–19)	<0.001
15 or 30 g oral SPS (n = 114)	5.6 (5.5–5.8)	5.0 (4.7–5.3)	0.7 (0.4–1.0)	15 (11–19)	<0.001
ESRD only
15 or 30 g oral SPS (n = 64)	5.7 (5.5–5.8)	5.1 (4.8–5.4)	0.5 (0.1–0.9)	15 (10–18)	<0.001

All values reported as median (IQR).