Table 1. Clinical characteristics of breast cancer patients diagnosed in the 1997–2018 period.

Age at diagnosis, average ± SD	55.7 ± 13.13 years
Tumour stage at diagnosis	N, (%)
Stage I	878 (35.5%)
Stage II	961 (38.9%)
Stage III	496 (20.1%)
Stage IV	135 (5.5%)
BC tumour subtype	N, (%)
Luminal A	1,083 (47.4%)
Luminal B	776 (33.9%)
HER2-enriched	160 (7.0%)
Triple Negative	267 (11.7%)