Early Prediction of Delirium in Postcardiac Surgery Patients: Machine Learning Model Development and External Validation

Huixiu Hu   ^{1, 2, 3 *} , MMed ;   Yuxiang Wang   ^{4 *} , BSc ;   Houfeng Li   ^{5 *} , MMed ;   Qinglai Zang   ^{6, 7 *} , MSc ;   Jing Huang   ⁸ , MMed ;   Ying Zhang   ³ , MMed ;   Jinjing Wu   ⁴ , MSc ;   Long Liu   ⁴ , MSc ;   Zhen Xing   ^{3 *} , MMed ;   Yaohua Yu   ^{1, 2 *} , BMed

¹ The Graduate School of Fujian Medical University, Fuzhou, Fujian, China

² Department of Anesthesiology, The First Hospital of Putian City, Putian, China

³ Department of Anesthesiology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei, China

⁴ School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, Shanghai, China

⁵ Department of Anesthesiology, Changhai Hospital, the Second Military Medical University, Shanghai, China

⁶ School of Anesthesiology, Second Military Medical University, Shanghai, China

⁷ Information Center, The Second Affiliated Hospital of Naval Medical University, Shanghai, China

⁸ Graduate School, Wannan Medical College, Wuhu, Anhui, China

*these authors contributed equally