Table 1.
Characteristics of Medicare Beneficiaries With Implanted Cardiac Devices, Stratified by Race, 5% National Sample
| Characteristica | Black (N=3192) | All Other Races (N=44 225) |
|---|---|---|
| Age, mean (SD), y | 76.9 (7.8) | 78.3 (7.7) |
| Person‐years of follow‐up | 7590.3 | 100 045.9 |
| Female | 1675 (52.5) | 18 508 (41.9) |
| Hypertension | 2123 (66.5) | 22 871 (51.7) |
| Diabetes mellitus | 1185 (37.1) | 10 494 (23.7) |
| Coronary heart disease | 1278 (40.0) | 17 355 (39.2) |
| Heart failure | 996 (31.2) | 9141 (20.7) |
| Peripheral vascular disease | 372 (11.7) | 3830 (8.7) |
| Chronic kidney disease | 654 (20.5) | 4630 (10.5) |
| Valvular heart disease | 414 (13.0) | 5464 (12.4) |
| Chronic obstructive pulmonary disease | 374 (11.7) | 4930 (11.2) |
| Tobacco use | 130 (4.1) | 1477 (3.3) |
| Alcohol use | 117 (3.7) | 1070 (2.4) |
SD indicates standard deviation.
a
Data are presented as number (%) unless otherwise specified.