Qiu, Wenqiang
Zhou, Ge
Article History
Received: 4 May 2023
Accepted: 7 August 2023
First Online: 12 August 2023
Declarations
:
: The study was conducted following the principles stated in the Declaration of Helsinki. This study is an observational, retrospective research. Patients’ written informed consent for using health data was obtained before operation. The experimental protocol approved by the ethics committee of Liaoyang Central Hospital (ethical number:2023070702).
: Not applicable.
: The authors declare no competing interests.