Table 1.
Patient characteristics, medical history, and principal diagnosis
| Item | Result |
| Age (mean ± standard deviation, years) | 70.5 ± 9.9 |
| Male | 8,980 (48)* |
| Qualifying diagnosis in hospital | 6,807 (36) |
| Medical History | |
| Atrial Fibrillation | 1,812 (10) |
| Angina | 4,848 (26) |
| Heart Failure | 5,319 (28) |
| Diabetes Mellitus | 4,485 (24) |
| Hypercholesterolemia | 1,183 (6) |
| Hypertension | 12,597 (67) |
| Ischemic Stroke | 4,405 (24) |
| Myocardial Infarction | 2,209 (12) |
| Transient Ischemic Attack | 5,150 (28) |
| Identifying ICD-9 code | |
| 436 (acute, but ill-defined cerebrovascular disease) | 83.2% |
| 434.9 (occlusion of cerebral arteries, unspecified) | 8.4% |
| 434 (occlusion of cerebral arteries) | 3.2% |
| 433.1 (occlusion and stenosis of precerebral arteries, carotid artery) | 1.8% |
| 434.1 (occlusion of cerebral arteries, cerebral embolism) | 1.5% |
| Other (362.3. 433.2–9)† | 1.9% |
* number (%)
†Retinal vascular occlusion, Occlusion and stenosis of precerebral arteries, vertebral artery, multiple and bilateral, other specified precerebral artery, unspecified precerebral artery (NOS)