Zhang, Fan
Yu, Yaqi
Wang, Hui
Zhang, Ying
Bai, Yan
Huang, Liuyan
Zhang, Huachun http://orcid.org/0000-0002-7400-0869
Funding for this research was provided by:
Budgeted projects in Shanghai University of Traditional Chinese Medicine (2021WK118)
Longhua Hospital Shanghai University of Traditional Chinese Medicine (Y21026)
The third batch of specialist nurse development program of Longhua Hospital (RC-2021-03-06)
Article History
Received: 6 October 2022
Accepted: 9 May 2023
First Online: 16 May 2023
Declarations
:
: This is a retrospective study based on CHARLS database. The patient's information has been hidden before the study. There is no need for the patient's informed consent and no ethical conflict. The original CHARLS was approved by the Ethical Review Committee of Peking University (IRB00001052-11015), and all participants signed the informed consent at the time of participation. This research followed the guidance of the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.