Categorization | Test set (na = 112) | % | Validation set (na = 138) | % | Pvalueb |
---|---|---|---|---|---|
Age at diagnosis | 0.327 | ||||
Median | 60 years (range, 36-87 years) | 63 years (range, 33-86 years) | |||
Menopausal status | 0.791 | ||||
Premenopausal | 22 | 19.6 | 21 | 15.2 | |
Postmenopausal | 90 | 80.4 | 117 | 84.8 | |
Tumor sizec | 0.337 | ||||
pT1 | 49 | 43.8 | 67 | 48.6 | |
pT2 | 51 | 45.5 | 59 | 42.8 | |
pT3 | 8 | 7.1 | 8 | 5.9 | |
pT4 | 2 | 1.8 | 2 | 1.4 | |
Unknown | 2 | 1.8 | 2 | 1.4 | |
Lymph node statusc | 0.997 | ||||
pN0 | 55 | 49.1 | 77 | 55.8 | |
pN1 | 38 | 33.9 | 42 | 30.4 | |
pN2 | 9 | 8.0 | 10 | 7.2 | |
pN3 | 7 | 6.3 | 6 | 4.3 | |
Unknown | 3 | 2.7 | 3 | 2.2 | |
Histologic type | 0.617 | ||||
Invasive ductal | 89 | 79.5 | 115 | 83.3 | |
Invasive lobular | 15 | 13.4 | 17 | 12.3 | |
Other | 8 | 7.2 | 6 | 4.2 | |
Tumor graded | 0.175 | ||||
G1 | 6 | 5.4 | 14 | 10.1 | |
G2 | 62 | 55.4 | 76 | 55.1 | |
G3 | 44 | 39.3 | 48 | 34.8 | |
Estrogen-receptor statuse | 0.293 | ||||
Negative (IRS0-2) | 22 | 19.7 | 27 | 19.5 | |
Positive (IRS3-12) | 84 | 75.0 | 109 | 78.9 | |
Unknown | 6 | 5.4 | 2 | 1.4 | |
Progesterone-receptor statuse | 0.112 | ||||
Negative (IRS0-2) | 30 | 26.8 | 39 | 28.2 | |
Positive (IRS3-12) | 76 | 68.0 | 96 | 69.3 | |
Unknown | 6 | 5.4 | 3 | 2.2 | |
HER2 statusf | 0.112 | ||||
Negative (0; 1+; 2+) | 90 | 80.4 | 114 | 82.6 | |
Positive (3+) | 14 | 12.5 | 20 | 14.9 | |
Unknown | 8 | 7.1 | 4 | 2.9 |