Table 2.
Ductal carcinoma in situ clinical data summary
| N | % | |
|---|---|---|
| Age at diagnosis | ||
| <40 | 2 | 2.4 |
| 40–49 | 24 | 28.6 |
| 50–59 | 25 | 29.8 |
| 60–69 | 14 | 16.7 |
| 70–79 | 15 | 17.9 |
| 80+ | 2 | 2.4 |
| Missing | 2 | 2.4 |
| Year at Diagnosis | ||
| 1994–1998 | 42 | 50.0 |
| 199–2003 | 28 | 33.3 |
| 2004–2008 | 11 | 13.1 |
| 2009–2012 | 1 | 1.2 |
| Missing | 2 | 2.4 |
| Mode of detection | ||
| Screen-detected | 45 | 53.6 |
| Symptom-detected | 17 | 20.2 |
| Missing | 22 | 26.2 |
| Grade | ||
| Low | 4 | 4.8 |
| Intermediate | 48 | 57.1 |
| High | 30 | 35.7 |
| Missing | 2 | 2.4 |
| Size | ||
| ≤1 cm | 44 | 52.4 |
| 1.1–2 cm | 31 | 36.9 |
| >2 cm | 7 | 8.3 |
| Missing | 2 | 2.4 |
| ER status | ||
| Negative | 7 | 8.3 |
| Positive | 10 | 11.9 |
| Missing | 67 | 79.8 |