Table 2.
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 | 0.86 | 0.84,0.87 | 0.98 | 0.65,1.47 |
| 65-74 | 0.85 | 0.74,0.98 | 1.03 | 0.69,1.53 |
| 75-84 | 0.78 | 0.68,0.90 | 0.88 | 0.71,1.67 |
| ≥85 | 1.32 | 1.11,1.57 | 1.09 | 0.71,1.67 |
| Medical History | ||||
| Angina (+) | 1.19 | 1.07,1.31 | 1.39 | 1.09,1.77 |
| Heart failure (+) | 1.52 | 1.35,1.71 | 1.94 | 1.50,2.51 |
| AMI Characteristics | ||||
| Prior | 1.24 | 1.13,1.37 | 1.51 | 1.21,1.88 |
| Non Q wave | 1.34 | 1.22,1.47 | 1.48 | 1.09,2.00 |
| Clinical Complications | ||||
| Heart failure (-) | 2.28 | 2.08,2.51 | 1.92 | 1.51,2.44 |
| Shock (-) | 1.31 | 1.08,1.57 | 2.35 | 1.30,4.28 |
| Atrial fibrillation (-) | 1.43 | 1.27,1.61 | 1.31 | 1.01,1.70 |
| Death | 2.74 | 2.39,3.14 | 1.85 | 1.30,2.65 |
| Medications | ||||
| ACE-inhibitors** (-) | -- | -- | 2.01 | 1.62,2.50 |
| Aspirin (-) | 1.36 | 1.22,1.51 | 1.14 | 0.82,1.58 |
| Beta blockers (-) | 1.45 | 1.31,1.60 | 1.34 | 0.99,1.82 |
| Thrombolytics** (-) | -- | -- | 1.03 | 0.66,1.60 |
| Procedures | ||||
| Cardiac catheterization (-) | 3.56 | 3.16,4.01 | 5.10 | 3.51,7.39 |
| Percutaneous coronary intervention** | -- | -- | 2.10 | 1.42,3.09 |
| CABG (-) | 2.22 | 1.51,3.27 | 5.81 | 2.06,16.41 |
*
respective referent categories: age <55 years, 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