Effective Privacy Protection Strategies for Pregnancy and Gestation Information From Electronic Medical Records: Retrospective Study in a National Health Care Data Network in China

Chao Liu   ¹ , PhD ;   Yuanshi Jiao   ¹ , MPH ;   Licong Su   ² , MD ;   Wenna Liu   ¹ , MD ;   Haiping Zhang   ¹ , BS ;   Sheng Nie   ^{2 *} , MD ;   Mengchun Gong   ^{3 *} , MD

¹ Digital Health China Technologies Co, Ltd, Beijing, China

² Department of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China

³ School of Biomedical Engineering, Guangdong Medical University, Zhanjiang, China

*these authors contributed equally