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Laparoscopic Cholecystectomy with Indocyanine Green Fluorescence: Choledochoscopic Stone Extraction and Primary Duct Suture
Published on: November 25, 2025
Validation of data and indicators in the Danish Cholecystectomy Database
Kirstine Moll Harboe1, Kristian Anthonsen, Linda Bardram
1Department of Surgical Gastroenterology, Hvidovre University Hospital, Kettegaards Allé 30, Hvidovre, Denmark. kmoll@dadlnet.dk
Summary
The Danish Cholecystectomy Database (DCD) administrative data accurately reflects patient outcomes. Quality indicators derived from this data effectively identify associations with postoperative complications, validating its use for quality monitoring.
Area of Science:
- Healthcare Quality Improvement
- Surgical Outcomes Research
- Health Informatics
Background:
- The Danish Cholecystectomy Database (DCD) utilizes administrative data from the National Patient Registry alongside clinical data for quality indicator derivation.
- Key indicators include length of stay, readmissions, additional procedures, bile duct surgeries, and mortality within 30 days.
Purpose of the Study:
- To investigate the validity of administrative data used in the DCD.
- To evaluate the association between DCD quality indicators and postoperative complications following cholecystectomy.
Main Methods:
- A comparative analysis of 1360 patient medical records (gold standard) against corresponding administrative data from the National Patient Registry.
- Validation metrics included percent agreement, kappa values, sensitivity, specificity, and predictive values.
- Association analysis employed crude event rates and odds ratios to link indicators with complications.
Main Results:
- Administrative data demonstrated excellent validity, with 97.1-100% agreement and high kappa values (0.73-1.00).
- Most quality indicators were significantly associated with postoperative complications, with 'Other bile duct surgery' being the exception.
- Subdividing certain indicators enhanced the observed associations with complications.
Conclusions:
- The administrative data within the Danish Cholecystectomy Database is a valid and reliable source for quality monitoring.
- The DCD effectively serves as a tool for assessing and improving the quality of cholecystectomy procedures in Denmark.
