Cheng, Yang
Fang, Zhen
Zhang, Xinxin
Wen, Yuchen
Lu, Jiaqi
He, Shenghu
Xu, Bing
Article History
Received: 9 December 2022
Accepted: 8 March 2023
First Online: 30 March 2023
Declarations
:
: This study was a secondary analysis of an observational cohort study. The study data collection was approved by the Ethics Committee of the First Affiliated Hospital of Zhengzhou University, and a waiver of informed consent was also granted. No ethic statement was required for the present research due to the dataset’s public policy statement.
: Not applicable.
: The authors declare that they have no competing interests.