Table 2.
Demographic and clinicopathologic characteristics for stages 1-3 first primary invasive breast cancer, 2000-2006.
| n | % | |
|---|---|---|
| Node Status | ||
| Node Negative | 42,859 | 63.3% |
| 1-3 Nodes Positive | 16,648 | 24.6% |
| >3 Nodes Positive | 8,191 | 12.1% |
| Stage | ||
| I | 31,721 | 46.9% |
| II | 28,952 | 42.8% |
| III | 7,025 | 10.4% |
| Grade | ||
| Well differentiated; Grade I | 14,813 | 21.9% |
| Moderately differentiated; Grade II | 28,406 | 42.0% |
| Poorly differentiated; Grade III | 23,191 | 34.3% |
| Undifferentiated; anaplastic; Grade IV | 1,288 | 1.9% |
| ER/PR/HER2 Status | ||
| +/+/+ | 7,343 | 10.8% |
| +/+/- | 36,906 | 54.5% |
| +/-/+ | 2,258 | 3.3% |
| +/-/- | 6,305 | 9.3% |
| -/+/+ | 319 | 0.5% |
| -/-/+ | 4,805 | 7.1% |
| -/+/- | 652 | 1.0% |
| -/-/- | 9,110 | 13.5% |
| Tumor Size | ||
| ≤2 cm | 42,043 | 62.1% |
| > 2 cm | 25,655 | 37.9% |
| Race/Ethnicity | ||
| Non-Hispanic White | 47,016 | 69.4% |
| Non-Hispanic Black | 3,606 | 5.3% |
| Hispanic | 10,134 | 15.0% |
| Asian/Pacific Islander | 6,942 | 10.3% |
| Age | ||
| ≤45 | 11,755 | 17.4% |
| 46-69 | 40,058 | 59.2% |
| ≥70 | 15,885 | 23.5% |
| Total | 67,698 | |