Zheng, Xuejie
Chen, Jinyu
Cheng, Qiyuan
Wang, Lili
Article History
Received: 10 August 2022
Revised: 28 December 2022
Accepted: 4 January 2023
First Online: 1 February 2023
Competing interests
: The authors declare no competing interests.
: Our study was approved by the Ethics Committee of the First Affiliated Hospital of Anhui Medical University. All manipulations involving humans in this study were under the principles in the Declaration of Helsinki. We confirm that all data are anonymous and confidential. Therefore, due to the retrospective nature of the current study, the requirement for informed consent has been waived.
: This was a retrospective study, so the requirement for informed consent was waived.