Editing Data dictionary: Breast Cancer - NBCA

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This is a summary of the variables available in the database. You can download the complete data dictionary. [https://dica.nl/data-aanvragen/ Click here to learn more].

'''Patient Information'''
* Health Facility
* Unique Patient Number
* Date of Birth
* Gender
* Date of Death (if applicable)
* Cause of Death


'''Treatment Details'''
* Episode Start Date (Incidence Date)
* Has the patient participated in a registered trial?
* Has the patient received neo-adjuvant therapy (min. 4 weeks before surgery)?
* Start Date of Neo-adjuvant Therapy
* End Date of Neo-adjuvant Therapy
* Number of Neo-adjuvant Cycles Actually Given
* Neo-adjuvant Chemotherapy
* Adjuvant Chemotherapy Actually Received by the Patient
* Start Date of Adjuvant Chemotherapy
* End Date of Adjuvant Chemotherapy
* Number of Adjuvant Cycles Actually Given
* Adjuvant Immunotherapy Received by the Patient
* Complicated Course After Chemotherapy


'''Diagnosis and Pathology'''
* Lateralization of this Tumor
* Is there a history? It concerns the history of (one of) the breast(s).
* Was the tumor discovered during population screening (screening)?
* Is the tumor palpable?
* Final BIRADS classification after imaging (before biopsy)
* Incidence Date (date of first tumor-positive biopsy based on cytology or histology)
* Invasiveness
* Histological Type
* Estrogen Receptor %
* Progesterone Receptor %
* HER-2 Determination


'''Surgical and Oncological Treatment'''
* Date of First Tumor Excision
* Type of Breast Operation at First Tumor Excision
* Was the Plastic Surgeon Involved in the Surgery?
* Sentinel Lymph Node Biopsy Done?
* Date of Sentinel Lymph Node Biopsy
* Result of Sentinel Lymph Node Biopsy
* Was there an Axillary Lymph Node Dissection?
* Date of Axillary Lymph Node Dissection


'''Radiation and Postoperative Details'''
* Radiotherapy
* Type of Radiotherapy Received by the Patient
* Radiotherapy Institute Where the Radiotherapy Was Given
* Start Date of Radiotherapy
* End Date of Radiotherapy
* Was the Patient Discussed in a Multidisciplinary Team Post-Operation?


'''COVID-19 Specific'''
* Was there a (clinical) suspicion or a test for SARS-CoV-2 infection in the period before admission to 30 days after admission?
* Date of First Suspicion of SARS-CoV-2 Infection
* Date of First Specific Test for SARS-CoV-2 Infection
* Date of First Positive Lab Test for SARS-CoV-2
* ICU Admission Date and Time
* ICU Discharge Date and Time
* Discharge Destination after ICU Stay
* Final Status Regarding SARS-CoV-2