Table 2 Molecular breast cancer subtypes by tumor histopathology (Total number N = 269)
From: Molecular breast cancer subtypes and therapies in a public hospital of Northeastern Brazil
Luminal A | Luminal B | HER2/neu | TN | p | |||||
|---|---|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | N | % | ||
Tumor size, cm (T category; T1: ≤ 2.0 cm; T2: > 2.0 cm ≤ 5.0 cm; T3: > 5.0 cm)1 | |||||||||
T1 | 32 | 52.46 | 49 | 41.88 | 14 | 35.90 | 10 | 22.73 | 0.0803 |
T2 | 26 | 42.62 | 57 | 48.72 | 22 | 56.41 | 31 | 70.45 | |
T3 | 3 | 4,92 | 11 | 9.40 | 3 | 7.69 | 3 | 6.82 | |
Missing | 3 | 3 | 0 | 2 | |||||
Lymph node status | |||||||||
Positive | 22 | 43.14 | 41 | 40.20 | 13 | 41.94 | 19 | 51.35 | 0.7067 |
Negative | 29 | 56.86 | 61 | 59.80 | 18 | 58.06 | 18 | 48.65 | |
Missing | 13 | 18 | 8 | 9 | |||||
Distant metastases | |||||||||
Positive | 9 | 16.36 | 14 | 12.73 | 6 | 18.18 | 8 | 17.78 | 0.7922 |
Negative | 46 | 83.64 | 96 | 87.27 | 27 | 81.82 | 37 | 82.22 | |
Missing | 9 | 10 | 6 | 1 | |||||
Histological grade | |||||||||
Low (G1) | 11 | 21.57 | 14 | 13.59 | 1 | 2.94 | 1 | 2.86 | < 0.0001 |
Inter. (G2) | 38 | 74.51 | 76 | 73.79 | 21 | 61.77 | 22 | 62.86 | |
High (G3) | 2 | 3.92 | 13 | 12.62 | 12 | 35.29 | 12 | 34.28 | |
Missing | 14 | 17 | 5 | 11 | |||||
Ki67 positive cells (%) | |||||||||
Mean | 6.05 ± 0.467 | 36.71 ± 1.819 | 36.43 ± 4.120 | 50.38 ± 4.691 | < 0.0001 | ||||