Data dictionary: Stomach and esophageal cancer - DUCA

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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 Information

• Health Facility
• Unique Patient Number

Patient Demographics

• Date of Birth
• Gender

Patient Medical History and Status

• Date of Death (if applicable)
• Cause of Death
• Previously registered comorbidities (Yes/No)

Comorbidities and Dates

• Date of Comorbidities (usually same as 'consultation date' or 'operation date')
• Myocardial Infarction
• Congestive Heart Failure
• Atrial Fibrillation/Flutter
• Heart Rhythm Disorder (excluding atrial fibrillation)
• Chronic Lung Disease
• Peripheral Vascular Disease/Aortic Aneurysm
• Cerebrovascular Disease (including CVA/TIA)
• Dementia
• Para-/Hemiplegia
• Connective Tissue Disease (including rheumatoid diseases)
• Gastrointestinal Ulcer Disease
• Liver Disease
• Liver Cirrhosis
• Diabetes Mellitus
• Kidney Disease
• HIV/AIDS
• Malignancy (excluding PCC or BCC of the skin)

Surgical Information

• Hospital Patient Number
• Date of Operation
• Height (in cm)
• Weight (in kg)
• Weight Loss (in kg)
• Liver Disease/Failure (Cirrhosis/Hepatitis)
• Previous Abdominal or Thoracic Surgery (Yes/No)
• Esophagus, Stomach, or Hiatal Surgery
• Pancreas or Spleen Surgery
• Hepatobiliary Surgery (including cholecystectomy)
• Intestinal Surgery (including stoma construction)
• Surgery on Bladder, Prostate, Uterus, or Ovary
• Surgery on Lung, Heart, or Mediastinum
• Other Abdominal or Thoracic Surgeries
• Use of Immunosuppressants (Yes/No)
• WHO/ECOG Performance Status before primary surgical or neoadjuvant treatment

Tumor Specific Information

• Date of First Biopsy
• Histological Type of Tumor
• Primary Tumor or Recurrence
• Distance (by endoscopy) from the tooth row to the upper border of the tumor (in cm)
• Distance (by endoscopy) from the tooth row to the lower border of the tumor (in cm)
• Distance (by endoscopy) from the tooth row to the Z-line (in cm)
• Distance (by endoscopy) from the tooth row to the diaphragm (in cm)
• Pre-operative Ultrasound/CT Scan of Neck (Yes/No)
• Pre-operative CT Scan of Thorax (Yes/No)
• Pre-operative CT Scan of Abdomen (Yes/No)
• Pre-operative PET (PET-CT) Scan (Yes/No)
• Pre-operative EUS (Yes/No)
• Pre-operative EUS with Puncture (Yes/No)
• Staging Laparoscopy Performed (Yes/No)
• Date of Staging Laparoscopy

Postoperative Complications

• Pulmonary Complications
• Cardiac Complications
• Gastrointestinal Complications
• Urological Complications
• Thrombo-embolic Complications
• Neurological/Psychiatric Complications
• Infections
• Other Complications (specify if other)

COVID-19 Related Variables

• Suspected or Tested for SARS-CoV-2 before 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
• Final Status Regarding SARS-CoV-2
• COVID-19 Related Complications (specify if other)