Table 7.
Residual Disease in Breast and Nodes classification with molecular subtypes
| RDBN | Luminal A
|
Luminal B/HER2−
|
Luminal B/HER2+
|
HER2-enriched
|
Triple-negative
|
χ2 | P-value | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | n | % | |||
| 1 | 0 | 0.00 | 2 | 13.33 | 1 | 14.29 | 2 | 13.33 | 5 | 25.00 | 3.99 | 0.41 |
| 2 | 6 | 19.35 | 1 | 6.67 | 2 | 28.57 | 3 | 20.00 | 3 | 15.00 | ||
| 3 | 15 | 48.39 | 6 | 40.00 | 3 | 42.86 | 5 | 33.33 | 7 | 35.00 | ||
| 4 | 10 | 32.26 | 6 | 40.00 | 1 | 14.29 | 5 | 33.33 | 5 | 25.00 | ||
| Total | 31 | 100.00 | 15 | 100.00 | 7 | 100.00 | 15 | 100.00 | 20 | 100.00 | ||
Abbreviations: RDBN, Residual Disease in Breast and Nodes; HER2, human epidermal growth factor receptor 2.