Yang, Jian
Song, Yanyan https://orcid.org/0000-0002-1681-0396
Article History
Received: 10 June 2026
Accepted: 17 July 2026
First Online: 22 July 2026
Declarations
Ethics approval and consent to participate: This study was approved by the Ethics Committee of General Hospital of Ningxia Medical University (No.KYLL-2025-0309) and conducted in accordance with the Declaration of Helsinki. Due to the retrospective nature of the study, the requirement to obtain informed consent from individual patients was waived.
Competing interests: The authors declare no competing interests.