Table 1.
Cohort characteristics (all cancer sites aggregated).
| Characteristics | White | Black | AIAN † | API ‡ | All Races |
|---|---|---|---|---|---|
| Number of cancer cases Age: 0–44 years Age: 45+ years |
347,583 2,902,524 |
47,745 325588 |
3,970 17,361 |
33,787 212,982 |
433,085 3,458,455 |
| Accumulated persons-years at risk Age: 0–44 years Age: 45+ years |
4,233,862.49 17,226,235.60 |
419,384.02 1,547,446.29 |
38,158.83 81,733.97 |
324,710.40 1,116,766.56 |
5,016,115.73 20,022,182.42 |
| Mean follow-up time (years) Age: 0–44 years Age: 45+ years |
12.18 5.93 |
8.78 4.75 |
9.61 4.71 |
9.61 5.48 |
11.58 5.79 |
| Number of deaths due to AD Age: 0–44 years Age: 45+ years |
76 21,098 |
10 1,086 |
0 40 |
1 855 |
87 23079 |
| Mean age at cancer diagnosis (years) | 64.4 | 61.3 | 59.0 | 62.8 | 64.0 |
| Mean age at AD diagnosis (years) | 87.4 | 86.2 | 85.3 | 88.9 | 87.4 |
† AIAN: American Indian/Alaska Native, ‡ API: Asian/Pacific Islander, AD: Alzheimer’s disease.