Luo, Zhongliu
Hu, Yong
Han, Qingmin
Gao, Zhi
Cheng, Songmiao
Article History
Received: 8 December 2021
Accepted: 21 March 2022
First Online: 25 March 2022
Declarations
:
: In this retrospective study, written informed consent was obtained from all patients included, and all patients provided valid consent to participate. All methods of this study were carried out in accordance with relevant guidelines and regulations. This study design was reviewed and approved by Sichuan Province Orthopedic Hospital Ethics Committee (approval No. KKY − 2018–03-01).
: Not applicable.
: I declare that the authors have no competing interests as defined by BMC, or other interests that might be perceived to influence the results and/or discussion reported in this paper.