Article History
Received: 16 July 2021
Revised: 1 September 2021
Accepted: 4 September 2021
First Online: 13 October 2021
Declarations
:
: The scientific guarantor of this publication is Jung Hoon Kim, M.D.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: Seungchul Han M.D. has significant statistical expertise, and no complex statistical methods were necessary for this paper.
: Written informed consent was waived by the Institutional Review Board. This study was approved by our Institutional Review Board, and informed patient consent was waived due to the retrospective nature of our study.
: Institutional Review Board approval was obtained (IRB; No. 1808–146-967).
: • retrospective• diagnostic or prognostic study• performed at one institution