Classical prognostic factors | uPA (ng/mg of protein) | PAI-1 (ng/mg of protein) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Values | Categories | Values | Categories | |||||||
Mean (SD) Median (Range) | Wilcoxon rank sum | ≤ 3 | > 3 | Pearson χ2 test | Mean (SD) Median (Range) | Wilcoxon rank sum | ≤ 14 | > 14 | Pearson χ2 test | |
Tumor size | ||||||||||
≤ 20 mm | 3.9 (4.3) 2.5 (0.1–18.7) | nsa | 21 (51.2%) | 13 (32.5%) | nsb | 17.7 (14.1) 12.5 (0.0–51.8) | nsa | 18 (56.3%) | 16 (32.7%) | nsb |
20–30 mm | 4.9 (3.8) 4.0 (0.5–15.5) | 15 (36.6%) | 22 (55.0%) | 24.6 (22.9) 17 (7.5–140) | 10 (31.3%) | 27 (55.1%) | ||||
> 30 mm | 4.3 (2.4) 5.1 (0.6–7.1) | 4 (9.8%) | 5 (12.5%) | 24.6 (16.2) 24.5 (6.0–51.0) | 3 (9.4%) | 6 (12.2%) | ||||
Unknown | – | 1 (2.4%) | – | – | 1 (3.1%) | – | ||||
Tumor grade | ||||||||||
Grade 1 | 4.1 (3.1) 5.2 (0.2–8.9) | ns | 5 (12.2%) | 6 (15.0%) | ns | 20.4 (15.3) 18.6 (0.9–46.0) | ns | 5 (15.6%) | 6 (12.2%) | ns |
Grade 2/3 | 4.4 (4.0) 3 (0.1–18.7) | 36 (87.8%) | 34 (85.0%) | 21.6 (19.5) 16.0 (0.0–140) | 27 (84.4%) | 43 (87.8%) | ||||
Estrogen receptor | ||||||||||
≥ 50% | 4.1 (3.6) 2.9 (0.2–15.5) | ns | 20 (48.8%) | 18 (45.0%) | ns | 21.9 (23.0) 15.3 (0.9–140) | ns | 15 (46.9%) | 23 (46.9%) | ns |
< 50% | 4.6 (5.2) 3.3 (0.1–18.7) | 21 (51.2%) | 22 (55.0%) | 21.1 (14.6) 16.8 (0.0–56.8) | 17 (53.1%) | 26 (53.1%) | ||||
Ki67 index | ||||||||||
< 15% | 3.8 (4.0) 1.8 (0.2–13.3) | ns | 14 (34.2%) | 8 (20.0%) | 0.039 | 17.0 (13.0) 13.8 (0.9–56.8) | 0.038 | 11 (34.4%) | 11 (22.5%) | ns |
≥ 15% | 4.8 (3.4) 5.1 (0.5–15.5) | 10 (24.4%) | 19 (47.5%) | 27.5 (25.3) 20.0 (3.0–140) | 7 (21.9%) | 22 (44.9%) | ||||
Unknown |
|
| 17 (41.5%) | 13 (32.5%) |
| 14 (43.8%) | 16 (32.7%) | |||
Total | 81 (100%) |
| 41 (100%) | 40 (100%) |
| 81 (100%) |
| 32 (100%) | 49 (100%) |
|