Data dictionary: Colon cancer - DCRA

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This is a summary of the variables available in the database. You can download the complete data dictionary. Click here to learn more.

Healthcare Facility

• Healthcare Facility

Patient Identification

• Unique Patient Number
• Hospital Patient Number
• Tumor Tracking Number

Patient Demographics

• Date of Birth
• Gender
• Date of Death (if applicable)

Comorbidities and Prior Conditions

• Myocardial Infarction
• Congestive Heart Failure
• Peripheral Vascular Disease/Aortic Aneurysm
• Cerebrovascular Disease (e.g., CVA/TIA)
• Dementia
• Chronic Lung Disease
• Connective Tissue Disease (e.g., Rheumatoid Diseases)
• Gastrointestinal Ulcer Disease
• Liver Disease
• Diabetes Mellitus
• Paralysis/Hemiplegia
• Kidney Disease
• Cancer (excluding PCC or BCC of skin)
• HIV/AIDS

Surgical and Medical History

• Bowel Resection (Colon/Rectum) in History
• Presence of Stoma before Treatment of Colorectal Carcinoma
• Is this a First or Second Primary Tumor?
• Number of Diagnosed Carcinomas
• Date of Diagnosis 1st Colorectal Carcinoma
• Reason for Diagnostics
• Localization of 1st Colorectal Carcinoma
• Histology Based on Biopsy/Polypectomy
• Tumor-Related Complications?

Surgical Procedures and Outcomes

• Date of 1st and 2nd Surgical Procedure
• Type of Surgery Performed
• Approach of 1st and 2nd Surgical Procedure
• Conversion of Procedures
• Additional Resection due to Tumor Growth
• Additional Resection due to Metastases
• Was There Intraoperative Radiotherapy or Chemotherapy?
• Was an Anastomosis of the Intestine Made after Resection of the Tumor?

Complications

• Surgical Complications
• General Complications
• Pulmonary Complication
• Cardiac Complication
• Thromboembolic Complication
• Infectious Complication
• Neurological Complication
• Other Complication

Pathology and Genetic Analysis

• Histological Type of 1st and 2nd Colorectal Carcinoma
• Pathological T/N Classification According to TNM System
• M Stage
• Radicality of 1st and 2nd Tumor
• Lymphangioinvasion Detected?
• Extramural Venous Invasion
• Differentiation Grade
• BRAF Mutation Present
• RAS Mutation Present
• MSI Determination
• Immunohistochemical Determination of Mismatch Repair Proteins
• Mismatch Repair Proteins (MMR) Loss

Systemic and Radiation Therapy

• Preoperative and Postoperative Systemic Therapy
• Start and Stop Date of Systemic Therapy
• Radiotherapy Administered
• Start and Stop Date of Radiation

General Patient Information

• Length (in cm)
• Weight (in kg)
• Body Mass Index Calculator
• Date of Initial Preoperative Visit (poli) Surgery
• Reason for (Extended) MC/IC Stay and/or Readmission
• Blood Transfusion during Admission
• Patient Readmission < 90 Days After Discharge
• Date of First Readmission
• Study Participation