Development and Validation of Machine Learning–Based Models to Predict In-Hospital Mortality in Life-Threatening Ventricular Arrhythmias: Retrospective Cohort Study

Le Li   ^{1 *} , MD ;   Ligang Ding   ^{1 *} , MD ;   Zhuxin Zhang   ¹ , MD ;   Likun Zhou   ¹ , MD ;   Zhenhao Zhang   ¹ , MD ;   Yulong Xiong   ¹ , MD ;   Zhao Hu   ¹ , MD ;   Yan Yao   ¹ , MD

¹ National Center for Cardiovascular Diseases, Fu Wai Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China

*these authors contributed equally