Ann Rheum Dis:膝关节X线特征与膝关节疼痛的关系

2018-08-02 xiangting MedSci原创

OA的X线改变与反复报告膝关节疼痛的相关性强于报告一次的疼痛。

骨关节炎的影像学证据和膝关节疼痛之间的关联性不强。这可能是由于分析中未能纳入最能区分膝盖疼痛的特征。这项研究探讨了膝关节疼痛和X线特征之间的相关性,同时考虑了图像分析特征和人工评分。

研究人员使用多中心骨关节炎研究的数据,在横断面设计中测试了X线特征将频繁膝关节疼痛(一次一个问题)或持续性频繁膝关节疼痛(拍片前2周三次三个问题)与无膝关节疼痛区分开的表现。研究人员根据来自两个影像学视图的特征建立随机森林模型以便分类。

与一个问题相比,X线能更好地将三个问题的疼痛患者分类。当使用所有的人工影像学特征时,曲线下面积(AUC)为73.9%。使用自动图像分析的最佳模型或将这些与人工分级组合时,未发现有超越人工分级的改进。

OA的X线改变与反复报告膝关节疼痛的相关性强于报告一次的疼痛。此外,对X线上未评分特征进行评估的全自动系统表现并不优于人工特征评分。

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    2018-08-04 piaojinhua

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