Linking patients' records across organizations while maintaining anonymity

In an health information exchange (HIE) project, linking patients' health records across organizations while maintaining appropriate patients anonymity is essential. Anonymous identifiers created from various combinations of personal identifiers using one way encryption function were evaluated...

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Published in:AMIA ... Annual Symposium proceedings 2007-10, p.1008-1008
Main Authors: Kijsanayotin, Boonchai, Speedie, Stuart M, Connelly, Donald P
Format: Article
Language:English
Subjects:
Algorithms
Confidentiality
Humans
Medical Record Linkage - methods
Medical Records Systems, Computerized
Patient Identification Systems
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Speedie, Stuart M
Connelly, Donald P
description In an health information exchange (HIE) project, linking patients' health records across organizations while maintaining appropriate patients anonymity is essential. Anonymous identifiers created from various combinations of personal identifiers using one way encryption function were evaluated for linkage quality between two synthesized databases. Preliminary results show that such anonymous identifiers (IDs) based on date of birth, zip code and last name or first name can link records with high specificity and sensitivity.
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subjects Algorithms
Confidentiality
Humans
Medical Record Linkage - methods
Medical Records Systems, Computerized
Patient Identification Systems
title Linking patients' records across organizations while maintaining anonymity
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