Journal article
The Reliability of the Tönnis Grading System in Patients Undergoing Hip Preservation
Abstract
BACKGROUND: The presence of pre-existing osteoarthritis (OA) has been associated with poor results after hip arthroscopic surgery. There is limited evidence validating the currently available grading systems of hip OA in patients undergoing hip preservation.
PURPOSE/HYPOTHESIS: Our purpose was to evaluate the interobserver and intraobserver reliabilities of 2 grading systems in a group of patients undergoing hip preservation: the Tönnis grading …
Authors
Pullen WM; Carreira DS; Wong I; Aoki SK; Lynch TS; Mather RC; Ayeni OR; Byrd JWT; Safran MR
Journal
The American Journal of Sports Medicine, Vol. 51, No. 2, pp. 476–480
Publisher
SAGE Publications
Publication Date
February 2023
DOI
10.1177/03635465221147055
ISSN
0363-5465