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Multiple linear regression analysis of X-ray measurement and WOMAC scores of knee osteoarthritis / 中国骨伤
China Journal of Orthopaedics and Traumatology ; (12): 373-376, 2012.
Article in Chinese | WPRIM | ID: wpr-321872
ABSTRACT
<p><b>OBJECTIVE</b>To perform Multiple Linear Regression analysis of X-ray measurement and WOMAC scores of knee osteoarthritis, and to analyze their relationship with clinical and biomechanical concepts.</p><p><b>METHODS</b>From March 2011 to July 2011, 140 patients (250 knees) were reviewed, including 132 knees in the left and 118 knees in the right; ranging in age from 40 to 71 years, with an average of 54.68 years. The MB-RULER measurement software was applied to measure femoral angle, tibial angle, femorotibial angle, joint gap angle from antero-posterir and lateral position of X-rays. The WOMAC scores were also collected. Then multiple regression equations was applied for the linear regression analysis of correlation between the X-ray measurement and WOMAC scores.</p><p><b>RESULTS</b>There was statistical significance in the regression equation of AP X-rays value and WOMAC scores (P<0.05), while there was no statistical significance in the regression equation of lateral X-ray value and WOMAC scores (P>0.05).</p><p><b>CONCLUSION</b>1) X-ray measurement of knee joint can reflect the WOMAC scores to a certain extent. 2) It is necessary to measure the X-ray mechanical axis of knee, which is important for diagnosis and treatment of osteoarthritis. 3) The correlation between tibial angle,joint gap angle on antero-posterior X-ray and WOMAC scores is significant, which can be used to assess the functional recovery of patients before and after treatment.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: X-Rays / Diagnostic Imaging / Radiography / Linear Models / Osteoarthritis, Knee Type of study: Diagnostic study / Prognostic study Limits: Adult / Aged / Humans Language: Chinese Journal: China Journal of Orthopaedics and Traumatology Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: X-Rays / Diagnostic Imaging / Radiography / Linear Models / Osteoarthritis, Knee Type of study: Diagnostic study / Prognostic study Limits: Adult / Aged / Humans Language: Chinese Journal: China Journal of Orthopaedics and Traumatology Year: 2012 Type: Article