Table 2.
| a. Incidence Rates of Atrial Fibrillation Among White and Black Women in the Cardiovascular Health Study, 1989–2008 | ||||||||
|---|---|---|---|---|---|---|---|---|
| White Women |
Black Women |
|||||||
| Age Group |
AF Cases |
Person -Years |
Incidence (per 1,000) |
95% CI | AF Cases |
Person -Years |
Incidence (per 1,000) |
95% CI |
| 65–69 | 18 | 2705 | 6.7 | 4.2, 10.6 | 7 | 506 | 13.8 | 6.6, 29.0 |
| 70–74 | 93 | 7386 | 12.6 | 10.3, 15.4 | 14 | 1407 | 9.9 | 5.9, 16.8 |
| 75–79 | 182 | 9317 | 19.5 | 16.9, 22.6 | 30 | 1801 | 16.7 | 11.6, 23.8 |
| 80–84 | 222 | 8397 | 26.4 | 23.2, 30.2 | 30 | 1506 | 19.9 | 13.9, 28.5 |
| 85–89 | 156 | 4494 | 34.7 | 29.7, 40.6 | 25 | 810 | 30.9 | 20.9, 45.7 |
| b. Incidence Rates of Atrial Fibrillation Among White and Black Men in the Cardiovascular Health Study, 1989–2008 | ||||||||
|---|---|---|---|---|---|---|---|---|
| White Men |
Black Men |
|||||||
| Age Group |
AF Cases |
Person -Years |
Incidence (per 1,000) |
95% CI | AF Cases |
Person -Years |
Incidence (per 1,000) |
95% CI |
| 65–69 | 23 | 1515 | 15.2 | 10.1, 22.8 | 6 | 299 | 20.0 | 9.0, 44.6 |
| 70–74 | 89 | 4643 | 19.2 | 15.6, 23.6 | 10 | 814 | 12.3 | 6.6, 22.8 |
| 75–79 | 162 | 5859 | 27.7 | 23.7, 32.3 | 14 | 944 | 14.8 | 8.8, 25.0 |
| 80–84 | 200 | 5151 | 38.8 | 33.8, 44.6 | 19 | 731 | 26.0 | 16.6, 40.7 |
| 85–89 | 136 | 2758 | 49.3 | 41.7, 58.3 | 8 | 333 | 24.0 | 12.0, 48.1 |
AF indicates atrial fibrillation; CI, confidence interval