Table 2 Description of St Gallen fulfilment/non-fulfilment according to breast cancer intrinsic subtypes.
Intrinsic subtype | St Gallen fulfilment | Reason of non-fulfilment | n (%)a |
|---|---|---|---|
Luminal A-like (n = 687) | In St Gallen | 298 (43.4) | |
Over St Gallen | Neoadjuvant + adjuvant chemotherapy | 1 (0.1) | |
Chemotherapy | 220 (32.0) | ||
Under St Gallen | Lack of endocrine therapy | 156 (22.7) | |
Lack of chemotherapy | 12 (1.7) | ||
Luminal B-like (n = 324) | In St Gallen | 139 (42.9) | |
Over St Gallen | Neoadjuvant + adjuvant chemotherapy | 12 (3.7) | |
Under St Gallen | Lack of endocrine therapy | 48 (14.8) | |
Lack of chemotherapy | 54 (16.7) | ||
Lack of anti-HER2 therapy | 17 (5.3) | ||
Lack of chemotherapy and endocrine therapy | 1 (0.5) | ||
No systemic treatment recorded | 54 (16.7) | ||
HER2 positive (non-luminal) (n = 52) | In St Gallen | 17 (32.7) | |
Over St Gallen | Neoadjuvant + adjuvant chemotherapy | 7 (13.5) | |
Under St Gallen | Lack of chemotherapy | 1 (1.9) | |
Lack of anti-HER2 therapy | 13 (44.8) | ||
No systemic treatment recorded | 14 (26.9) | ||
Triple negative (ductal) (n = 89) | In St Gallen | 69 (77.5) | |
Over St Gallen | Anti-Her2 therapy | 1 (1.1) | |
Endocrine therapy | 2 (2.3) | ||
Under St Gallen | Lack of chemotherapy | 17 (19.1) | |
Total (n = 1152) | In St Gallen | 523 (45.4) | |
Over St Gallen | 243 (21.1) | ||
Under St Gallen | 386 (33.5) |
