Table 5.
PR expression, WHO grade and Ki67/MIB1.
| PR expression | N. cases | WHO grade | Statistical significance | Ki 67/MIB1 | Statistical significance | ||
|---|---|---|---|---|---|---|---|
| I | II | ≤4% | >4% | ||||
| L (0–15%) | 54 | 24 (47%) | 30 (53%) | p = 0.30 | 23 (42%) | 31 (58%) | p = 0.04 |
| ML (16–50%) | 68 | 32 (49%) | 36 (51%) | p = 0.40 | 28 (41%) | 40 (59%) | p = 0.017 |
| MH (51–79%) | 60 | 41 (69%) | 19 (31%) | p = 0.99 | 35 (58%) | 25 (42%) | p = 0.014 |
| H (≥80%) | 118 | 97 (82%) | 21 (18%) | p < 0.0001 | 100 (85%) | 18 (15%) | p < 0.0001 |
| 300 | 194 (65%) | 106 (35%) | 186 (62%) | 114 (38%) | |||
Statistically significant values have been reported in bold.