Table 6.

Multiple regression analysis of change in eGFR following spironolactone administration

Variable	Estimate (β)	Standard error	t value	p value	Standardized β	VIF	Power
Intercept	13.78	13.21	1.04	0.302	0	0	​
Baseline eGFR	−0.118	0.053	−2.21	0.032*	−0.318	1.057	0.468
Baseline K	−2.422	2.910	−0.83	0.410	−0.122	1.097	​
Baseline aldosterone	−0.005	0.025	−0.19	0.852	−0.027	1.045	​

VIF, variance inflation factor; eGFR, estimated glomerular filtration rate; K, serum potassium level.

*p < 0.05.