Che, Hebin
Xiong, Qi
Ma, Jinxia
Chen, Shixue
Wu, Huan
Xu, Hongli
Hou, Baicun
Article History
Received: 24 April 2022
Accepted: 12 August 2022
First Online: 19 August 2022
Declarations
:
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Ethics Committee of PLA General Hospital (Beijing, China) approved the review of the medical records (approval number: S2019-136–01). Since this is a retrospective statistical analysis based on electronic health records collected as part of standard healthcare, without disclosing the patients’ identity, no individual patients were directly contacted for the data. The need of consent was waived by the institutional ethical committee of the Chinese PLA General Hospital.
: Not applicable.
: The authors declare that they have no competing interests.