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[Use and evaluation of the Belgian 3BT thesaurus adapted for Rwanda].
M De Jonghe1, M Jamoulle, D Porignon
1D.M.G.-U.L.B.
Revue Medicale De Bruxelles
|November 10, 2006
Summary
The Belgian, bilingual, biclassified thesaurus 3BT is a feasible tool for clinical data collection in Rwandan health institutions. It improves coding accuracy and data quality, even for lay personnel.
Area of Science:
- Health Informatics
- Medical Coding Systems
- Public Health
Background:
- Kigali University Medical Centre (CHUK) in Rwanda has long lacked visibility regarding its activities.
- Improving institutional visibility is a key health policy issue for the Rwandan health system.
- No dedicated tool had been developed or implemented to enhance this visibility.
Purpose of the Study:
- To assess the feasibility of using the 3BT thesaurus as a data collection tool in a Rwandan health institution.
- To evaluate the operationality and encoding quality of the 3BT thesaurus at CHUK.
Main Methods:
- Implementation of the adapted 3BT thesaurus (ICD-10/ICPC-2) at CHUK in August 2005.
- Qualitative analysis of 899 clinical diagnosis codings.
- A blind coding test comparing a doctor and a lay person's coding accuracy.
Main Results:
- Low occurrences of certain codings indicated a need for thesaurus use and upgrades.
- Approximately 45% of initially empty codings could be resolved by consulting medical records.
- The thesaurus contains some missing diagnoses, with 66% having similar concepts not easily identifiable.
- A blind coding test showed 70% exact similarity and a 20% loss of precision, with no identified coding errors.
Conclusions:
- The 3BT thesaurus demonstrates acceptable operationality for coding clinical diagnoses, even by lay individuals.
- The collected data quality is sufficient for quantitative interpretation.
- Further studies with a wider scope are recommended to validate these findings.
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