Taking x-rays of the semi-flexed knee is the most accurate way of evaluating structural damage in patients with knee osteoarthritis (OA) according to results presented at EULAR 2007, the Annual European Congress of Rheumatology in Barcelona, Spain.
In knee OA, there are several radiographic views from which structural damage can be identified and several tools from which damage to the knee can be assessed. Radiographic measurements and associated data were gathered from 1,759 radiographs of fully extended (EV) and semi-flexed (SF) knees and analysed using semi-quantitative scores: the Kellgren Lawrence (KL) scale, and the Osteoarthritis Research Society International (OARSI) joint space width (JSW) scale. They were also assessed using precise measurement of JSW in millimeters.
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