Table 4 Frequency of molecular phenotypes among DCIS and invasive breast cancers, Nurses' Health Study (1976 to 1996)
From: Comparison of molecular phenotypes of ductal carcinoma in situand invasive breast cancer
Immunophenotype | DCIS (n = 272) | All invasive (n = 2249) | Infiltrating ductal, NOS only (n = 1550) | p valuea | p valueb |
|---|---|---|---|---|---|
| Â | n (%) | n (%) | N (%) | Â | Â |
Luminal A | 170 (62.5) | 1650 (73.4) | 1053 (67.9) | 0.0002 | 0.08 |
Luminal B | 36 (13.2) | 116 (5.2) | 90 (5.8) | <0.0001 | <0.0001 |
HER2+ | 37 (13.6) | 128 (5.7) | 107 (6.9) | <0.0001 | <0.0001 |
Basal-like | 21 (7.7) | 245 (10.9) | 223 (14.4) | 0.15 | 0.005 |
Unclassified | 8 (2.9) | 110 (4.9) | 77 (5.0) | 0.15 | 0.14 |