Table 2.
Distribution of St Gallen molecular subgroups in primary breast tumours and matched lymph node metastases
| |
|
Molecular phenotype in lymph node metastases |
Total |
|||
|---|---|---|---|---|---|---|
|
N
|
|
|||||
| Luminal A | Luminal B | HER2-positive | Triple negative | |||
|
Molecular phenotype in breast tumour |
luminal A |
38 (85) |
5 (11) |
0 |
2 (4) |
45 (100) |
| luminal B |
0 |
17 (100) |
0 |
0 |
17 (100) |
|
| HER2-positive |
0 |
1 (9) |
10 (91) |
0 |
11 (100) |
|
|
N
(%) |
Triple negative |
0 |
0 |
1 (8) |
11 (92) |
12 (100) |
| Total | 38 | 23 | 11 | 13 | 85 (100) | |
p = 0.06 McNemar-Bowker test of symmetry for all subclasses.
p = 0.02 McNemar-Bowker test of symmetry for Luminal A subclass versus non-Luminal A subclasses.
N = number of patients, percentages are given within parenthesis.