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Setting up a decision support system with decision tables.

V Schwarz, P Hohenberger, C O Köhler

Methods of Information in Medicine

|July 1, 1989

Summary

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A new decision support system was developed using decision tables and MUMPS, simplifying patient record documentation. The system accurately proposed liver metastasis therapies in 84% of cases, aiding physician decision-making.

Area of Science:

Medical Informatics
Clinical Decision Support Systems

Background:

Conventional methods for decision support systems often lack separation between decision principles and algorithms.
Simplifying patient record documentation is crucial for efficient healthcare delivery.

Purpose of the Study:

To develop a versatile decision support system (DSS) shell using a conventional method.
To enable separation of decision principles and algorithms within the DSS.
To simplify patient record documentation.

Main Methods:

Utilized the decision table technique for knowledge representation.
Employed the MUMPS programming language for system development.
Applied the general system to therapy decisions for liver metastases patients.

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Main Results:

The developed system achieved an 84% concurrence rate between its therapy proposals and actual patient treatments in a clinical evaluation.
Decision tables proved easily understandable by physicians.
Decision tables facilitated knowledge acquisition by serving as a communication medium.

Conclusions:

The developed decision support system, based on decision tables and MUMPS, is effective for clinical applications.
The system simplifies knowledge acquisition and physician-system interaction.
This approach offers a flexible shell for various decision support applications.