Table 5.

Subgroup‐Specific Treatment Effects at 3 Years, Based on the Weighted Model

Readmission Event	Hazard Ratio (95% CI)		P Value for Interaction
	Ejection Fraction >35%	Ejection Fraction ≤35%
All‐cause rehospitalization	0.96 (0.90–1.03)	0.89 (0.83–0.95)	0.13
Mortality	1.04 (0.93–1.16)	0.99 (0.89–1.08)	0.47
Heart failure rehospitalization	0.99 (0.88–1.12)	0.88 (0.79–0.97)	0.13
Hyperkalemia, any diagnosis	1.44 (1.17–1.78)	1.04 (0.86–1.25)	0.02
Hyperkalemia, primary diagnosis	2.31 (1.29–4.15)	1.96 (1.07–3.60)	0.71
Acute renal insufficiency, any diagnosis	1.29 (1.15–1.44)	0.94 (0.82–1.07)	<0.001
Acute renal insufficiency, primary diagnosis	1.34 (1.11–1.62)	0.94 (0.75–1.18)	0.01

CI indicates confidence interval.