Jia, Mingwang
Ding, Chenning
Zhang, Jiahui
Han, Xing
Zhao, Xin
Sang, Xiguang
Article History
Received: 16 October 2025
Accepted: 11 December 2025
First Online: 10 January 2026
Declarations
:
: The retrospective study followed the ethical guidelines specified in the 1964 Declaration of Helsinki. The study protocol was approved by the Medical Ethics Committee of Qilu Hospital, Shandong University (Approval No. KYLL-202502-066). According to the Institutional Review Board, informed consent is not required.
: The authors declare that they have no competing interests.