Prediction of outpatient rehabilitation patient preferences and optimization of graded diagnosis and treatment based on XGBoost machine learning algorithm - Fan, Xuehui; Ye, Ruixue; Gao, Yan; Xue, Kaiwen; Zhang, Zeyu; Xu, Jing; Zhao, Jingpu; Feng, Jun; Wang, Yulong (Frontiers in Artificial Intelligence, 2025)