Pan, Yuanping
Yu, Yingying
Yi, Yaohui
Dou, Xiaofeng
Lu, Jiachen
Zhou, Ling
Article History
Received: 28 October 2022
Accepted: 28 February 2023
First Online: 15 March 2023
Declarations
:
: The authors report no conflicts of interest in this work.
: The study was approved by the Ethics Committee of Dalian Medical University. The data used in this study was anonymised before its use. Permission to use the data were obtained from the hospital administration. As this study used secondary data, informed consent was not obtained from patients. The approval for waiver of informed consent was provided by the Ethics Committee of Dalian Medical University. This study was conducted in accordance with the Declaration of Helsinki.
: Not applicable.