Funding for this research was provided by:
National Natural Science Foundation of China (81572180)
Received: 28 September 2020
Accepted: 9 February 2021
First Online: 17 February 2021
Ethics approval and consent to participate
: The study has been approved by the Institutional Review Board of Beijing Chaoyang Hospital affiliated to Capital Medical University, Beijing. Written informed consents for receiving KA-TKA were obtained from all patients. This written informed consent includes surgical benefits, possible risks, and data related to KA-TKA may be used for any related retrospective clinical studies.
: Written informed consent for publication of their clinical details and/or clinical images was obtained from the patient.
: The authors declare that they have no competing interests.