TABLE 4.
Breast cancer incidence and detection rates by menopausal status and definitiona
| Breast Cancer Incidence and Detection Rates (95% Confidence Interval)a |
||||||||
|---|---|---|---|---|---|---|---|---|
| Postmenopausal | Surgical / Other Amenorrhea | Perimenopausal | Premenopausal | |||||
| Incidence | Detection | Incidence | Detection | Incidence | Detection | Incidence | Detection | |
| Simplistic | [646 total cases / 131,020 women] | N/A | N/A | N/A | N/A | [478 total cases / 96,680 women] | ||
| 4.9 (4.6–5.3) | 4.3 (3.9–4.6) | 4.9 (4.5–5.4) | 4.0 (3.6–4.4) | |||||
| Age-based | ||||||||
| <50 / ≥50 years | [761 total cases / 139,995 women] | N/A | N/A | N/A | N/A | [363 total cases / 87,705 women] | ||
| 5.4 (5.1–5.8) | 4.7 (4.4–5.1) | 4.1 (3.7–4.6) | 3.2 (2.8–3.6) | |||||
| <55 / ≥55 years | [478 total cases / 85,483 women] | N/A | N/A | N/A | N/A | [646 total cases / 142,217 women] | ||
| 5.6 (5.1–6.1) | 4.9 (4.5–5.4) | 4.5 (4.2–4.9) | 3.7 (3.3–4.0) | |||||
| Combined simplistic | [678 total cases / 134,912 women] | N/A | N/A | [32 total cases / 6,155 women] | [414 total cases / 86,633 women] | |||
| 5.0 (4.6–5.4) | 4.4 (4.0–4.7) | 5.2 (3.4–7.0) | 4.5 (2.7–6.0) | 4.8 (4.3–5.2) | 3.8 (3.3–4.2) | |||
| Complex | [619 total cases / 119,982 women] | [69 total cases / 17,022 women] | [47 total cases / 10,749 women] | [389 total cases / 79,947 women] | ||||
| 5.2 (4.8–5.6) | 4.5 (4.1–4.9) | 4.1 (3.1–5.0) | 3.3 (2.4–4.2) | 4.4 (3.5–5.6) | 3.6 (2.5–4.8) | 4.9 (4.4–5.3) | 3.8 (3.4–4.2) | |
a
Rates per 1000 women. Case counts presented represent total incident cases; detected cases are a subset of these cases.