Funding for this research was provided by:
Health and Family Planning Commission of Wuhan Municipality (WX18Q36)
Article History
Received: 19 March 2021
Accepted: 13 August 2021
First Online: 23 August 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: This study protocol was approved by the ethical committees of Wuhan Fourth Hospital, Puai Hospital affiliated to Tongji Medical College, Huazhong University of Science and Technology and conducted in compliance with the ethical principles of the Declaration of Helsinki. 24 h Holter monitoring results were obtained in the clinical medical records in this study and the requirement to obtain informed consent was waived by the ethical committees of Wuhan Fourth Hospital, Puai Hospital affiliated to Tongji Medical College, Huazhong University of Science and Technology.