Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
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Knee Surg Sports Traumatol Arthrosc · Dec 2015
Comparative StudyDefining the presence of radiographic knee osteoarthritis: a comparison between the Kellgren and Lawrence system and OARSI atlas criteria.
The Kellgren and Lawrence (K/L) system and Osteoarthritis Research Society International (OARSI) atlas are frequently used to define radiographic knee osteoarthritis (OA). The purpose of the current study was to determine the extent to which tibiofemoral OA rates differ between the K/L system and OARSI atlas criteria and to compare qualitative (K/L and OARSI) and quantitative (millimetres) measures of joint space narrowing (JSN). ⋯ III.