Prediction Model of Osteonecrosis of the Femoral Head After Femoral Neck Fracture: Machine Learning–Based Development and Validation Study

Huan Wang   ¹ , MPH ;   Wei Wu   ² , BM ;   Chunxia Han   ¹ , BSc ;   Jiaqi Zheng   ¹ , MPH ;   Xinyu Cai   ³ , BM ;   Shimin Chang   ⁴ , PhD ;   Junlong Shi   ⁵ , MPA ;   Nan Xu   ⁶ , MD ;   Zisheng Ai   ¹ , PhD

¹ Department of Medical Statistics, Tongji University School of Medicine, Shanghai, China

² Department of Spinal Surgery, Shanghai East Hospital, Shanghai, China

³ Department of Orthopedics, Shanghai Tenth People's Hospital, Shanghai, China

⁴ Department of Orthopedic Surgery, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China

⁵ Medical Record Department, Shanghai Ninth People’s Hospital, Shanghai, China

⁶ Department of Radiology, Shanghai East Hospital, Shanghai, China