Positive rate of E2F-1, Rb and ER expression in the 3 tissue types (cases, %).
| Type | n | E2F-1 (%) | Rb (%) | ER (%) |
|---|---|---|---|---|
| Peri-PM | 60 | 13 (21.7) | 50 (83.3) | 52 (86.7) |
| Peri-PM with ADH | 60 | 28 (46.7) | 32 (53.9) | 37 (61.7) |
| DCIS | 60 | 47(78.3) | 13(21.7) | 33(55.0) |
| Total | 180 | 88 (48.9) | 95 (52.8) | 122 (67.8) |