Table 2. Hazard Ratios for Heart Failure Hospitalizations of Patients Receiving β-Blockers, by Ejection Fraction.
| Ejection Fraction | Unadjusted Hazard Ratio | Adjusted Hazard Ratio | |
|---|---|---|---|
| Minimallya | Fullyb | ||
| All | 1.71 (1.28-2.27) | 1.61 (1.21-2.14) | 1.61 (1.20-2.15) |
| <50% | 0.73 (0.32-1.65) | 0.69 (0.29-1.64) | 0.68 (0.28-1.63) |
| ≥50% | 1.86 (1.37-2.52) | 1.74 (1.28-2.36) | 1.74 (1.28-2.37) |
| ≥55% | 2.06 (1.45-2.92) | 1.90 (1.33-2.70) | 1.90 (1.33-2.71) |
| ≥60% | 2.03 (1.34-3.08) | 1.84 (1.21-2.81) | 1.80 (1.18-2.75) |
| ≥65% | 2.92 (1.46-5.82) | 2.72 (1.35-5.47) | 2.65 (1.31-5.36) |
a
Adjusted for age, sex, race/ethnicity, and treatment assignment.
b
Minimally adjusted model plus prior myocardial infarction, atrial fibrillation, chronic obstructive pulmonary disease, asthma, and hypertension.