Independent predictors of use of β blockers
| Variable | OR | 95% CI | p Value |
|---|---|---|---|
| CI, confidence interval; NYHA, New York Heart Association; OR, odds ratio. | |||
| Age (as a continuous variable) | 0.97 | 0.96 to 0.97 | 0.0001 |
| NYHA class (III–IV v I–II) | 0.62 | 0.51 to 0.75 | 0.0001 |
| Systolic blood pressure (as a continuous variable) | 1.02 | 1.01 to 1.02 | 0.0001 |
| Heart rate (as a continuous variable) | 1.01 | 1.01 to 1.02 | 0.0001 |
| Ejection fraction (not available v available) | 0.46 | 0.28 to 0.76 | 0.0022 |