Real-World Use and Expert-Guided Optimization of a Large Language Model–Based Pediatric Health Assistant: Retrospective Observational Study

Qiuhong Wei   ^{1, 2, 3, 4, 5} , MD, PhD ;   Li Xiao   ^{1, 6} , MD, PhD ;   Xin Zhang   ¹ , PhD ;   Hong Wei   ⁷ , MD, PhD ;   Ruijue Wang   ^{1, 8} , MS, MD ;   Suqiao Ou   ¹ , MS, MD ;   Chao Zhang   ⁹ , MS ;   Huarong Huo   ⁹ , MS ;   Yu Peng   ⁹ , MS ;   Lishen Liu   ⁹ , BS ;   Ping Song   ^{1 *} , BS ;   Ziyu Hua   ^{7 *} , MD, PhD ;   Ximing Xu   ^{1 *} , PhD

¹ Big Data Center for Children’s Medical Care, Children’s Hospital of Chongqing Medical University, Chongqing, China

² Department of Children’s Healthcare, Children’s Hospital of Chongqing Medical University, Chongqing, China

³ National Clinical Research Center for Children and Adolescents’ Health and Diseases, Chongqing, China

⁴ Intelligent Application of Big Data in Pediatrics Engineering Research Center of Chongqing Education Commission, Chongqing, China

⁵ Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China

⁶ Department of Hematology, Children’s Hospital of Chongqing Medical University, Chongqing, China

⁷ Department of Neonatology, Children’s Hospital of Chongqing Medical University, Chongqing, China

⁸ Department of Hepatobiliary Surgery, Children’s Hospital of Chongqing Medical University, Chongqing, China

⁹ Zuoyi Tech, Beijing, China

*these authors contributed equally