Table 1.
Characteristics of the Reasons for Geographic and Racial Differences in Stroke study participants with a history of cardiovascular disease by level of estimated GFR
| Estimated GFR (ml/min per 1.73 m2) | |||
|---|---|---|---|
| ≥60 (n=5545) | 45–59 (n=837) | <45 (n=531) | |
| Age (years) | 66.9 (8.9) | 73.0 (8.3) | 72.9 (8.5) |
| Female sex | 43.7 | 46.2 | 46.7 |
| Black race | 38.6 | 36.1 | 43.5 |
| Married | 60.9 | 53.5 | 49.5 |
| Less than high school education | 16.6 | 20.9 | 23.8 |
| Annual income ≥$20,000 | 74.4 | 72.1 | 62.6 |
| Region of residence | |||
| nonstroke belt | 43.1 | 44.0 | 49.2 |
| stroke belt | 36.5 | 33.1 | 30.1 |
| stroke buckle | 20.4 | 22.9 | 20.7 |
| Current smoker | 17.3 | 11.7 | 12.8 |
| Symptoms of depression | 14.8 | 14.3 | 12.6 |
| Cognitive impairment | 10.2 | 15.0 | 16.6 |
| Diabetes mellitus | 29.5 | 33.9 | 50.8 |
| Hypertension | 70.6 | 81.8 | 85.8 |
| Body mass index (kg/m2) | 29.4 (6.1) | 29.3 (6.4) | 29.3 (6.1) |
| Albuminuria ≥30 mg/g | 18.5 | 28.9 | 57.0 |
| Prior history of cardiovascular disease | |||
| prior myocardial infarction | 49.2 | 48.5 | 49.0 |
| coronary artery revascularization | 42.8 | 49.9 | 47.1 |
| stroke | 23.6 | 28.3 | 30.7 |
| aortic aneurysm repair | 3.4 | 5.1 | 5.5 |
| lower extremity bypass surgery | 7.4 | 9.8 | 9.4 |
| carotid endarterectomy or angioplasty | 7.3 | 11.7 | 12.1 |
All values are percentages or mean (SD).