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.

Table 1: Healthcare Facility.

Variables
Healthcare Facility

Table 2: Patient Identification.

Variables
Unique Patient Number
Hospital Patient Number
Tumor Tracking Number

Table 3: Patient Demographics.

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

Table 4: Comorbidities and Prior Conditions.

Variables
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

Table 5: Surgical and Medical History.

Variables
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?

Table 6: Surgical Procedures and Outcomes.

Variables
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?

Table 7: Complications.

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

Table 8: Pathology and Genetic Analysis.

Variables
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

Table 9: Systemic and Radiation Therapy.

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

Table 10: General Patient Information.

Variables
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