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.
Table 1: Healthcare Facility Information.
| Variables |
|---|
| Health Facility |
| Unique Patient Number |
Table 2: Patient Demographics.
| Variables |
|---|
| Date of Birth |
| Gender |
Table 3: Patient Medical History and Status.
| Variables |
|---|
| Date of Death (if applicable) |
| Cause of Death |
| Previously registered comorbidities (Yes/No) |
Table 4: Comorbidities and Dates.
| Variables |
|---|
| 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) |
Table 5: Surgical Information.
| Variables |
|---|
| 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 |
Table 6: Tumour Specific Information.
| Variables |
|---|
| Date of First Biopsy |
| Histological Type of Tumour |
| Primary Tumour or Recurrence |
| Distance (by endoscopy) from the tooth row to the upper border of the tumour (in cm) |
| Distance (by endoscopy) from the tooth row to the lower border of the tumour (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 |
Table 7: Postoperative Complications.
| Variables |
|---|
| Pulmonary Complications |
| Cardiac Complications |
| Gastrointestinal Complications |
| Urological Complications |
| Thrombo-embolic Complications |
| Neurological/Psychiatric Complications |
| Infections |
| Other Complications (specify if other) |
Table 8: COVID-19 Related Variables.
| 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) |
