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Published on: September 20, 2018
Enhancing Privacy in Clinical Texts: A New Approach to De-Identification of Brazilian Clinical Narratives
Elisa T R Schneider1, Fernando Schneider1, Yohan B Gumiel1
1Instituto do Coração - InCor/HC FMUSP, São Paulo (SP), Brazil.
None:
This study introduces a novel method for de-identifying Portuguese clinical narratives by integrating transformer-based models with rule-based techniques. A BioBERTpt model was fine-tuned using a corpus of clinical cardiology and pulmonology texts. The model combining BioBERTpt and regular expressions achieved superior precision (0.92), recall (0.93), and F1-scores (0.93), significantly outperforming baseline models. The approach ensures data utility while complying with privacy regulations, highlighting its potential for clinical text anonymization in underrepresented languages.
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