Table 4.

Multivariable Adjusted Cox Proportional Hazards Model: Cardiovascular Readmission or Death^†

Variable	HR (95% CI)	p-value
BUN at baseline, per 1 mg/dL increase to 50	1.03 (1.01, 1.04)	<0.001
SBP at discharge/day 7, per 10 mmHg increase	0.88 (0.81, 0.95)	0.002
Length of stay, per 1 day increase	1.08 (1.02, 1.14)	0.009
White race	0.67 (0.49, 0.93)	0.015
Chronic obstructive pulmonary disease	1.45 (1.07, 1.96)	0.016
Sodium at baseline, per 1 mEq/L increase	0.96 (0.93, 0.99)	0.021
Potassium at baseline, per 0.1 mEq/L increase to 3.7	0.93 (0.87, 0.99)	0.023
Depression	1.43 (1.04, 1.96)	0.030
Hospitalization for heart failure in last year	1.48 (1.04, 2.11)	0.030
ACEI/ARB (reference = neither at randomization nor discharge/day 7)		0.049
Both randomization and discharge	0.66 (0.47, 0.92)
Discharge only	0.55 (0.28, 1.08)
Randomization only	0.71 (0.45, 1.15)

^†Adjusted for trial and ejection fraction<50% versus ≥50%