Development and Validation of an Explainable Machine Learning Model for Predicting Myocardial Injury After Noncardiac Surgery in Two Centers in China: Retrospective Study

Chang Liu   ^{1, 2, 3 *} , MD ;   Kai Zhang   ^{1, 2, 3 *} , MD ;   Xiaodong Yang   ^{4 *} , PhD ;   Bingbing Meng   ^{1, 2, 3} , MD ;   Jingsheng Lou   ^{1, 2, 3} , MD, PhD ;   Yanhong Liu   ^{1, 2, 3} , MD, PhD ;   Jiangbei Cao   ^{1, 2, 3} , MD, PhD ;   Kexuan Liu   ⁵ , MD, PhD ;   Weidong Mi   ^{1, 2, 3 *} , MD, PhD ;   Hao Li   ^{1, 2, 3 *} , MD, PhD

¹ Department of Anesthesiology, The First Medical Center, Chinese People's Liberation Army General Hospital, Beijing, China

² Medical School of Chinese People's Liberation Army General Hospital, Beijing, China

³ National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army General Hospital, Beijing, China

⁴ Institute of Computing Technology Chinese Academy of Science, Beijing, China

⁵ Department of Anesthesiology, Nanfang Hospital, Southern Medical University, Guangzhou, China

*these authors contributed equally