Table 3.
Factors Significantly Associated With Not Having Ejection Fraction Evaluated in Patients Hospitalized With Acute Myocardial Infarction (AMI)
| Total Study Sample | Patients Hospitalized in 2001/2003 | |||
|---|---|---|---|---|
| Characteristic | Odds Ratio | 95% CI | Odds Ratio | 95% CI |
| Age (years) | ||||
| 55-64 | 0.85 | 0.73,0.99 | 0.84 | 0.63,1.12 |
| 65-74 | 0.79 | 0.68,0.91 | 0.90 | 0.68,1.18 |
| 75-84 | 0.86 | 0.74,1.01 | 0.79 | 0.60,1.05 |
| ≥85 | 1.37 | 1.13,1.66 | 0.94 | 0.67,1.30 |
| DNR status** | -- | ---- | 1.35 | 1.08,1.70 |
| Medical History | ||||
| Angina (+) | 1.22 | 1.10,1.36 | 1.31 | 1.09,1.58 |
| Heart failure (+) | 1.52 | 1.33,1.74 | 2.05 | 1.66,2.53 |
| Diabetes (+) | 1.05 | 0.95,1.17 | 1.21 | 1.02,1.45 |
| AMI Characteristics | ||||
| Prior | 1.26 | 1.14,1.40 | 1,48 | 1.25,1.76 |
| Non Q wave | 1.41 | 1.27,1.55 | 1.53 | 1.23,1.90 |
| Clinical Complications | ||||
| Heart failure (-) | 2.24 | 2.02,2.49 | 1.97 | 1.61,2.39 |
| Atrial fibrillation (-) | 1.34 | 1.17,1.53 | 1.34 | 1.06,1.69 |
| Medications | ||||
| ACE-inhibitors** (-) | -- | --,-- | 1.94 | 1.65,2.29 |
| Aspirin (-) | 1.32 | 1.17,1.49 | 1.24 | 0.92,1.67 |
| Beta blockers (-) | 1.39 | 1.25,1.55 | 1.32 | 1.05,1.68 |
| Procedures | ||||
| Cardiac catheterization (-) | 3.41 | 3.01,3.86 | 5.40 | 4.09,7.12 |
| Percutaneous coronary intervention** | -- | --,-- | 2.91 | 2.17,3.91 |
| CABG (-) | 2.05 | 1.37,3.08 | 1.90 | 1.05,3.44 |
*
respective referent categories: age <55 years, DNR status (-), absence of selected comorbidities, initial, Q wave MI, presence of selected clinical complications, prescribed effective cardiac medications and/or coronary revascularization procedures
**
Data not available over entire study period