V2EX quality-adjusted life year

Quality-Adjusted Life Year

定义 Definition

quality-adjusted life year(QALY,质量调整生命年):卫生经济学中衡量医疗干预“健康收益”的指标,把生存时间生活质量(效用值)合并计算。通常将完全健康记为 1,死亡为 0(有时某些健康状态可低于 0)。
常用于成本效果分析中评估“每获得 1 个 QALY 需要花多少钱”。

发音 Pronunciation

/kwlti dstd laf jr/

例句 Examples

Vaccination programs can be evaluated in terms of cost per quality-adjusted life year gained.
疫苗接种项目可以用“每增加一个质量调整生命年所需成本”来评估。

Although the new drug extends survival, its side effects reduce quality-adjusted life years compared with the standard treatment.
尽管这种新药能延长生存期,但其副作用降低了与标准治疗相比的质量调整生命年。

词源 Etymology

该术语由 quality-adjusted(质量调整的) + life year(生命年)构成,用于把“活多久”和“活得多好”放到同一尺度上比较。QALY 的概念在20世纪后期的卫生经济学与医疗技术评估(HTA)中逐步成熟,并成为许多国家评估医疗资源配置时常用的结果指标之一。

相关词 Related Words

文学与著名出处 Literary / Notable Works

  • Cost-Effectiveness in Health and Medicine(Gold et al.):系统阐述以 QALY 为核心的经济学评价框架。
  • Methods for the Economic Evaluation of Health Care Programmes(Drummond et al.):广泛使用 QALY 进行医疗项目经济学评估的经典教材。
  • NICE(英国国家卫生与临床优化研究所)技术评估与指南文件:频繁以 QALY 作为比较不同治疗方案价值的关键指标。
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