TABLE I.
AGE-SPECIFIC AND AGE-STANDARDIZED INCIDENCE OF FEMALE BREAST CANCER IN BARBADOS BETWEEN JULY 1, 2002 AND MARCH 30, 2006 PER 100,000 PERSON-YEARS OF OBSERVATION
| Age group | Number of cases | Person years1 | Age specific rate | 95% CI |
|---|---|---|---|---|
| 0–4 | 0 | 33,891 | 0 | 0–10.9 |
| 5–9 | 0 | 36,670 | 0 | 0–10.1 |
| 10–14 | 0 | 36,535 | 0 | 0–10.1 |
| 15–19 | 0 | 37,676 | 0 | 0–9.8 |
| 20–24 | 0 | 35,767 | 0 | 0–10.3 |
| 25–29 | 3 | 40,035 | 7.5 | 1.6–21.9 |
| 30–34 | 15 | 40,166 | 37.3 | 20.9–61.6 |
| 35–39 | 25 | 44,333 | 56.4 | 36.5–83.2 |
| 40–44 | 45 | 41,959 | 107.3 | 78.2–143.5 |
| 45–49 | 50 | 35,028 | 142.7 | 106.0–188.2 |
| 50–54 | 64 | 28,239 | 226.6 | 174.5–289.4 |
| 55–59 | 43 | 20,730 | 207.4 | 150.1–279.4 |
| 60–64 | 25 | 19,894 | 125.7 | 81.3–185.5 |
| 65–69 | 34 | 18,780 | 181.1 | 125.4–253.0 |
| 70–74 | 25 | 17,973 | 139.1 | 90.0–205.3 |
| 75–79 | 26 | 13,799 | 188.4 | 123.1–276.1 |
| 80–84 | 19 | 11,068 | 171.7 | 103.4–268.1 |
| 85+ | 17 | 10,974 | 154.9 | 90.2–248.0 |
| Unknown age | 5 | |||
| Crude rate | 396 | 523,517 | 75.6 | 68.4–83.5 |
| Age standardized rates (US) | – | – | 78.1 | 70.5–86.3 |
| Age standardized rates (Europe) | – | – | 78.6 | 70.7–87.2 |
| Age standardized rates (World) | – | – | 58.4 | 52.5–65.0 |
1
85+ age group rounded down to 10,974 to maintain correct person-year total.