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Open Access Highly Accessed Research article

The freetext matching algorithm: a computer program to extract diagnoses and causes of death from unstructured text in electronic health records

Anoop D Shah1*, Carlos Martinez2 and Harry Hemingway1

Author Affiliations

1 Clinical Epidemiology Group, Department of Epidemiology and Public Health, University College London, London, UK

2 , Consultant Epidemiologist, Frankfurt, Germany

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BMC Medical Informatics and Decision Making 2012, 12:88  doi:10.1186/1472-6947-12-88

Published: 7 August 2012

Additional files

Additional file 1:

Documentation for Freetext Matching Algorithm. PDF document containing general description, user guide and technical documentation.

Format: PDF Size: 922KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data

Additional file 2:

Source code of Freetext Matching Algorithm. ZIP archive containing plain text files of Visual Basic modules in the Access database, and .CSV files (comma separated text files) containing the manually edited lookup tables. The table of Read/OXMIS terms is not included, but is contained in the Access database (Additional file 3). Program code is licensed under the GNU General Public License Version 3.

Format: ZIP Size: 85KB Download file

Open Data

Additional file 3:

Freetext Matching Algorithm in an Access Database. ZIP archive containing Microsoft Access 2000 database and instructions for use. Program code is licensed under the GNU General Public License Version 3.

Format: ZIP Size: 10.8MB Download file

Open Data

Additional file 4:

Comparison of Freetext Matching Algorithm with MetaMap and Negex. PDF document containing details of the MetaMap configuration, performance of different MetaMap options and comparisons of FMA and MetaMap output for selected texts.

Format: PDF Size: 143KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data