Breast cancer cohort | Mean annual age-adjusted incidence* (per 100,000) | Proportion of HER-2-positive breast cancers | Estimated age-adjusted incidence of HER-2-positive breast cancer (per 100,000)** | Estimated age-adjusted incidence of HER-2-negative breast cancer (per 100,000)** |
---|---|---|---|---|
1982 to 1986 | 56.3 | 21.6% (67/310) | 12.2 | 44.1 |
1989 to 1992 | 68.9 | 17.6% (19/108) | 12.1 | 56.8 |
2004 to 2005 | 95.3 | 13.6% (97/713) | 13.0 | 82.3 |