Table 1 Clusters of healthcare activities
Surgery | Surgeries registered under breast cancer (BC) diagnosis codes (specified in study population), for instance lumpectomy, mastectomy and lymph node removal |
Chemotherapy | Standard chemotherapy, such as anthracyclines, alkylating agents and anti-metabolites |
Targeted therapy | Targeted therapies, such as trastuzumab and pertuzumab |
Radiotherapy | Radiation and radiotherapy fractions. |
Hormone therapy | Selective estrogen receptor modulators (SERM) and aromatase inhibitors (AI) |
Laboratory test | All lab tests regarding hematology and chemistry |
Imaging | All conventional radiology (ultrasounds, doppler, duplex), MRI scans, SPECT, PET and CT |
Nuclear imaging | SPECT, PET and MUGA |
Diagnostic tests (other than imaging) | Non-invasive and invasive diagnostics, such as, electrocardiography, diagnostic puncture, colonoscopy |
Multi-disciplinary consultations | Co-treatments of other specialists, (clinical) multidisciplinary consultations and activities |
Emergency care | Contact with emergency department, life support. |
Hospital admissions | A first or subsequent clinical admission, |
Outpatient visits | A first or return visit |
Tele-consultations | A first or return consultation by phone |