作者
Sumithra Velupillai, Hercules Dalianis, Martin Hassel, Gunnar H Nilsson
发表日期
2009/12/31
期刊
International Journal of Medical Informatics
卷号
78
期号
12
页码范围
e19-e26
出版商
Elsevier
简介
BACKGROUND
Electronic patient records (EPRs) contain a large amount of information written in free text. This information is considered very valuable for research but is also very sensitive since the free text parts may contain information that could reveal the identity of a patient. Therefore, methods for de-identifying EPRs are needed. The work presented here aims to perform a manual and automatic Protected Health Information (PHI)-annotation trial for EPRs written in Swedish.
METHODS
This study consists of two main parts: the initial creation of a manually PHI-annotated gold standard, and the porting and evaluation of an existing de-identification software written for American English to Swedish in a preliminary automatic de-identification trial. Results are measured with precision, recall and F-measure.
RESULTS
This study reports fairly high Inter-Annotator Agreement (IAA) results on the manually created gold …
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