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Article History

Received: 24 February 2024

Accepted: 27 March 2024

First Online: 4 April 2024

Declarations

:

: The study was approved by our Institutional Ethics Committee and the study complies with all ethical guidelines.This study received ethical approval from the Ethics Committee of the Second Affiliated Hospital of Soochow University, under the ethical review number JD-HG-2023-41. In accordance with the ethical review process conducted by the Institutional Ethics Committee, it has been determined that the requirement for informed consent from participants is waived. This waiver of informed consent is justified based on the retrospective and anonymous nature of the study design, which involves the analysis of pre-existing data without directly involving or identifying individual participants.The decision to waive informed consent was made by the Institutional Ethics Committee to facilitate the conduct of the study while upholding ethical principles and protecting the rights and confidentiality of the participants. The waiver of informed consent was granted to streamline the research process and mitigate any potential risks to participants, considering that their identities are not disclosed, and their participation is not required for the study.The Institutional Ethics Committee of the Second Affiliated Hospital of Soochow University, being the overseeing body responsible for ensuring the ethical conduct of research, has thus provided explicit approval for the waiver of informed consent in this study.

: Not applicable.

: The authors declare that they have no competing interests.