The primary aim was to assess change in health-related quality of life (HRQoL) of patients as they waited from six to 12 months for a total hip (THA) or total or partial knee arthroplasty (KA). Secondary aims were to assess change in joint-specific function, mental health, quality of sleep, number living in a state worse than death (WTD), wellbeing, and patient satisfaction with their healthcare.

中文翻译：

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在等待 6 至 12 个月进行全髋关节或膝关节置换术时，患者与健康相关的生活质量会显着恶化。

主要目的是评估患者在等待全髋关节置换术 (THA) 或全膝关节置换术或部分膝关节置换术 (KA) 的 6 至 12 个月期间与健康相关的生活质量 (HRQoL) 的变化。次要目标是评估关节特定功能、心理健康、睡眠质量、生活在比死亡更糟糕的状态（WTD）的人数、幸福感以及患者对医疗保健的满意度的变化。