Age (years) | | 59 (48 to 66) | 57 (49 to 67) | 57 (35 to 72) | 59 (52 to 70) | |
In situ | | 27 (24%) | 5 (4%) | 3 (4%) | 0 | |
Invasive | | 85 (76%) | 107 (96%) | 82 (96%) | 27 (100%) | p<0.0001 |
Median size (mm)* | | 14.8 | 22.4 | 19.5 | 22.0 | p<0.0001 |
Grade* | 1 | 38 (45%) | 11 (10%) | 19 (23%) | 2 (7%) | |
| 2 | 33 (39%) | 51 (48%) | 20 (25%) | 9 (33%) | |
| 3 | 14 (16%) | 45 (42%) | 42 (51%) | 15 (56%) | |
| Ungraded† | 0 | 0 | 1 (1%) | 1 (4%) | p<0.0001 |
Vascular invasion* | Absent | 73 (86%) | 61 (57%) | 54 (66%) | 14 (52%) | |
| Present | 12 (14%) | 46(43%) | 28 (34%) | 13 (48%) | p<0.0001 |
Number of positive lymph nodes* | 0 | 50 (59%) | 32 (30%) | 44 (54%) | 11 (41%) | |
| 1-3 | 14 (16%) | 28 (26%) | 18 (22%) | 8 (30%) | |
| >3 | 7 (8%) | 22 (21%) | 8 (10%) | 3 (11%) | |
| Not sampled | 14 (16%) | 25 (23%) | 12 (15%) | 5 (18%) | p=0.009 |
NPI*‡ | Good | 39 (46%) | 11 (10%) | 20 (24%) | 3 (11%) | |
| Moderate | 25 (29%) | 43 (40%) | 36 (44%) | 13 (48%) | |
| Poor | 7 (8%) | 28 (26%) | 14 (17%) | 6 (22%) | |
| Not calc | 14 (17%) | 25 (24%) | 12 (15%) | 5 (19%) | p<0.0001 |