Document is current

Article History

Received: 12 April 2025

Accepted: 1 May 2025

First Online: 8 May 2025

Declarations

:

: This retrospective study was conducted in accordance with the principles of the Declaration of Helsinki and was approved by the Institutional Review Board of Chengdu Second People's Hospital. Due to the retrospective nature of the study and the use of anonymized patient data, the requirement for informed consent was waived by the IRB. All patient data were de-identified and analyzed in aggregate to ensure confidentiality and compliance with institutional data protection policies.

: The authors declare no competing interests.

: Not applicable.