Privacy-preserving breast cancer recurrence prediction based on homomorphic encryption and secure two party computation

Yongha Son, Kyoohyung Han, Yong Seok Lee, Jonghan Yu, Young-Hyuck Im and Soo-Yong Shin

PLOS ONE, 2021, vol. 16, issue 12, 1-13

Abstract: Protecting patients’ privacy is one of the most important tasks when developing medical artificial intelligence models since medical data is the most sensitive personal data. To overcome this privacy protection issue, diverse privacy-preserving methods have been proposed. We proposed a novel method for privacy-preserving Gated Recurrent Unit (GRU) inference model using privacy enhancing technologies including homomorphic encryption and secure two party computation. The proposed privacy-preserving GRU inference model validated on breast cancer recurrence prediction with 13,117 patients’ medical data. Our method gives reliable prediction result (0.893 accuracy) compared to the normal GRU model (0.895 accuracy). Unlike other previous works, the experiment on real breast cancer data yields almost identical results for privacy-preserving and conventional cases. We also implement our algorithm to shows the realistic end-to-end encrypted breast cancer recurrence prediction.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0260681

DOI: 10.1371/journal.pone.0260681

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