A Risk Prediction Model (CMC-AKIX) for Postoperative Acute Kidney Injury Using Machine Learning: Algorithm Development and Validation

Ji Won Min   ^{1 *} , MD, PhD ;   Jae-Hong Min   ^{2 *} , MD ;   Se-Hyun Chang   ³ , MS ;   Byung Ha Chung   ⁴ , MD, PhD ;   Eun Sil Koh   ⁵ , MD, PhD ;   Young Soo Kim   ⁶ , MD, PhD ;   Hyung Wook Kim   ⁷ , MD, PhD ;   Tae Hyun Ban   ⁸ , MD, PhD ;   Seok Joon Shin   ⁹ , MD, PhD ;   In Young Choi   ^{10 *} , PhD ;   Hye Eun Yoon   ^{9 *} , MD, PhD

¹ Department of Internal Medicine, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

² School of Information, University of California, Berkley, CA, United States

³ Department of Medical Informatics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

⁴ Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

⁵ Department of Internal Medicine, Yeouido St. Mary’s Hospital College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

⁶ Department of Internal Medicine, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

⁷ Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

⁸ Department of Internal Medicine, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

⁹ Department of Internal Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

¹⁰ Department of Medical Informatics, Graduate School of Healthcare Management & Policy, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

*these authors contributed equally