Received: 8 October 2021
Accepted: 15 April 2022
First Online: 4 May 2022
: This retrospective study was performed in accordance with the Declaration of Helsinki and the study protocol was approved by the ethics committees of the 3<sup>rd</sup> Hospital of Shijiazhuang. Informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.