Poor outcome after knee arthroplasty (KA), a common major surgery worldwide, reportedly occurs in approximately 20% of patients. These patients demonstrate minimal improvement, at least moderate knee pain, and difficulty performing many routine daily activities. The purposes of our study were to comprehensively determine poor outcome risk after KA and to identify predictors of poor outcome.

中文翻译：

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使用两种预测模型来捕获膝关节置换术中的两种不良结果：多部位纵向队列研究

据报道，膝关节置换术 (KA) 是一种世界范围内常见的大手术，据报道大约 20% 的患者术后结果不佳。这些患者表现出的改善很小，至少有中度膝盖疼痛，并且难以进行许多日常活动。我们研究的目的是全面确定 KA 后不良结局风险并确定不良结局的预测因素。