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Article History

Received: 8 November 2023

Revised: 12 December 2023

Accepted: 14 December 2023

First Online: 17 January 2024

Declarations

:

: The scientific guarantor of this publication is Dr. Jianqing Zhang, who is the corresponding author of the article.

: The authors declare that they have no competing interests.

: No complex statistical methods were necessary for this paper.

: This study was conducted in accordance with the relevant guidelines and regulations. According to Chinese legislation and system requirements, the ethical review committee of the First Affiliated Hospital of Kunming Medical University approved and exempted written informed consent for this retrospective study.

: The authors confirm that the journal’s ethical policy, as indicated on the journal’s author guidelines page, has been followed and that the appropriate ethics review has obtained approval from the First Affiliated Hospital of Kunming Medical University ethics committee.

: Not applicable.

: • retrospective• multicenter study