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Article History
Received: 22 August 2025
Accepted: 6 November 2025
First Online: 25 November 2025
Declarations
:
: Approved by the Institutional Review Board of Chengde Medical College Affiliated Hospital. Consent waived due to retrospective design; conducted in accordance with the Declaration of Helsinki.
: Not applicable (de-identified retrospective study).
: The authors declare no competing interests.
