Zhenyu, Wang
Ruifen, Sun
Bowen, Tian
Jiawei, Li
Haiyan, Wang
Kai, Zhang
Anqiao, Zhao
Xiaohe, Li
Funding for this research was provided by:
Department of Education of Inner Mongolia Autonomous Region
Article History
Received: 20 March 2026
Accepted: 26 June 2026
First Online: 4 July 2026
Declarations
Ethics approval and consent to participate: This retrospective study was approved by the Ethics Committee of the Second Hospital of Ulanqab, with the waiver of informed consent from patients. Approval No.: YKD202002007.
Competing interests: The authors declare no competing interests.