Table 2:

LMM showing the direct association between the use of RAASIs and serum potassium.

	Longitudinal univariate random intercept analysis			Longitudinal multivariate analysis
	β	95% CI	P-value	Adjusted β	95% CI	P-value
RAASIs (yes)	0.05	0.03–0.07	<.001	0.100	0.05–0.15	<.001
Age (years)				0.003	0.001–0.005	.001
Male				−0.011	−0.06–0.04	.646
Albumin (g/dl)				0.188	0.15–0.23	<.001
Hypertension (yes)				0.004	−0.05–0.06	.124
Use of calcium channel antagonists (yes)				0.03	−0.008–0.07	.122
COPD (yes)				−0.081	−0.154 to −0.008	.03
CRP (g/dl)				−0.002	−0.0033 to −0.0006	.014
Diabetes (yes)				−0.087	−0.14 to −0.03	.001
Diuresis (yes)				−0.116	−0.17 to −0.06	<.001
Serum iron (ng/ml)				−0.019	−0.05–0.01	.199
Heart failure (yes)				−0.061	−0.14–0.02	.151
Serum phosphate (mg/dl)				0.077	0.06–0.09	<.001
TSAT (%)				0.001	0.0003–0.0024	.011
Visit				0.011	0.008–0.015	<.001
Kt/V				0.034	−0.018–0.087	.201

β refers to the slope of the univariate LMM, whereas adjusted β refers to the slope of the multivariate LMM.