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首页> 外文期刊>Einstein (So Paulo) >Reliability analysis of radiographic methods for determination of posterolateral lumbossacral fusion
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Reliability analysis of radiographic methods for determination of posterolateral lumbossacral fusion

机译：放射摄影方法确定后外侧腰s融合症的可靠性分析

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Objective To analyze intra and interobserver agreement of two radiographic methods for evaluation of posterolateral lumbar arthrodesis.Methods Twenty patients undergoing instrumented posterolateral fusion were evaluated by anteroposterior and dynamic lateral radiographs in maximal flexion and extension. The images were evaluated initially by 6 orthopedic surgeons, and after 8 weeks, reassessed by 4 of them, totaling 400 radiographic measurements. Intra and interobserver reliability were analyzed using the Kappa coefficient and Landis and Koch criteria.Results Intra and interobserver agreement regarding anteroposterior radiographs were, respectively, 76 and 63%. On lateral views, these values were 78 and 84%, respectively. However, the Kappa analysis showed poor intra and interobserver agreement in most cases, regardless of the radiographic method used.Conclusion There was poor intra and interobserver agreement in the evaluation of lumbosacral fusion by plain film in anteroposterior and dynamic lateral views, with no statistical superiority between the methods.
机译：目的分析两种影像学方法在评估后外侧腰椎关节置换术中的观察者内部和观察者之间的一致性。方法：采用前后位和动态侧位X线片对20例接受后外​​侧融合术的患者进行最大程度的屈曲和伸展评估。最初由6位整形外科医生对图像进行评估，然后在8周后，由其中4位进行了重新评估，总共进行了400次射线照相测量。使用卡伯系数，Landis和Koch标准分析观察者内部和观察者之间的可靠性。结果前后位片的观察者内部和观察者之间的一致性分别为76％和63％。从侧面看，这些值分别为78％和84％。然而，Kappa分析显示在大多数情况下，无论采用哪种射线照相方法，观察者内和观察者之间的一致性都很差。结论在前后位和动态侧位平片评估腰ac融合时，观察者内和观察者之间的一致性差，没有统计学优势在方法之间。

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