Development of a Machine Learning–Based Predictive Model for Postoperative Delirium in Older Adult Intensive Care Unit Patients: Retrospective Study

Houfeng Li   ^{1 *} , MMed ;   Qinglai Zang   ^{2, 3 *} , MSE ;   Qi Li   ^{2, 4 *} , MMed ;   Yanchen Lin   ¹ , MMed ;   Jintao Duan   ⁵ , MSE ;   Jing Huang   ⁶ , MMed ;   Huixiu Hu   ¹ , MMed ;   Ying Zhang   ¹ , MMed ;   Dengyun Xia   ^{7 *} , MMed ;   Miao Zhou   ^{8 *} , MD

¹ Graduate School, Hebei North University, Zhangjiakou, China

² School of Anesthesiology, Naval Medical University, Shanghai, China

³ Information Center, The Second Affiliated Hospital of Naval Medical University, Shanghai, China

⁴ Department of Anesthesiology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

⁵ School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China

⁶ Graduate School, Wannan Medical College, Wuhu, China

⁷ Department of Anesthesiology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, China

⁸ Department of Anesthesiology, The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing Medical University, Nanjing, China

*these authors contributed equally