Received: 1 March 2022
Accepted: 31 August 2022
First Online: 8 September 2022
: The study was approved by the Ethics Committee of The People's Hospital of Xuancheng City (No. 2022-1w002-01) before the performance. And all methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: Because this was a retrospective observational study, the ethics committee of The People's Hospital of Xuancheng City waived the requirement for informed consent from eligible patients.
: The authors declare no competing interests.