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首页> 外文期刊>Osteoarthritis and cartilage >Reliability of radiographic assessment in hip and knee osteoarthritis.
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Reliability of radiographic assessment in hip and knee osteoarthritis.

机译：影像学评估在髋和膝骨关节炎中的可靠性。

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OBJECTIVE: To evaluate the reproducibility of commonly used radiographic measures in hip and knee OA and to overcome certain limits of existing knowledge on their reliability from previous studies. DESIGN: Three readers evaluated 100 hip joints (50 pelvic X-rays) and 100 antero-posterior and lateral knee films of a hospital-based sample of patients with radiographic OA at two time points 3 months apart. They retrospectively estimated the presence and severity of joint specific individual radiographic features (osteophyte formation and joint space narrowing at different sites, cysts, subchondral sclerosis, bony deformity and chondrocalcinosis) and two different overall scores. Within and between observer reproducibility was calculated by intra-class correlation coefficient. RESULTS: At the hip joint excellent intra- as well as inter-observer reliability for superior joint space narrowing (JSN) and femoral head deformity could be demonstrated, while the assessment of medial JSN, osteophytes and acetabular sclerosis depends on the level of the investigator's experience. At the knee joint, femorotibial and patellofemoral osteophytes showed a high intra- and inter-observer reliability. Grading of JSN is highly reader dependent; rating of subchondral sclerosis and chondrocalcinosis does not seem to be reproducible enough. The overall scores showed an excellent reproducibility both at hip and knee joints. CONCLUSION: A reliable radiographic severity grading of hip and knee OA is possible with the application of global scores and individual features, if joint specific items are selected and readers are trained enough. Copyright 1999 OsteoArthritis Research Society International.
机译：目的：评估髋部和膝部骨关节炎中常用放射照相方法的可重复性，并克服现有研究对它们可靠性的现有知识的某些限制。设计：三名读者在相隔3个月的两个时间点评估了100例放射学OA患者的医院样本的100股髋关节（50例骨盆X射线）以及100片前后膝和外侧膝关节膜。他们回顾性评估了关节特定个体的放射学特征（骨赘形成和不同部位的关节间隙变窄，囊肿，软骨下硬化，骨畸形和软骨钙化病）的存在和严重程度，以及两个不同的总体评分。通过组内相关系数计算观察者之间和观察者之间的可重复性。结果：在髋关节内，观察者间以及观察者间的可靠性均显示出优越的关节间隙变窄（JSN）和股骨头畸形，而对内侧JSN，骨赘和髋臼硬化的评估取决于研究者的水平。经验。在膝关节，股胫骨和pa股骨赘显示出较高的观察者内和观察者间可靠性。 JSN的评分高度依赖读者。软骨下硬化和软骨钙化病的分级似乎没有足够的可重复性。总体评分显示髋关节和膝关节均具有出色的可重复性。结论：如果选择了关节特定项目并且对读者进行了足够的培训，则可以应用整体评分和个体特征对髋和膝OA进行可靠的X线影像学严重性分级。版权所有1999国际骨关节炎研究协会。

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