V2EX relative risk

Relative Risk

定义 Definition

相对风险:在流行病学与医学统计中,用来比较“暴露组”与“未暴露组”发生某结局(如患病、死亡)的风险大小之比。常写作 RR

  • RR = 1:两组风险相同
  • RR > 1:暴露与更高风险相关
  • RR < 1:暴露与更低风险(可能有保护作用)相关
    (该术语在不同语境下也可能被更广义地用作“相对危险程度”的比较。)

发音 Pronunciation (IPA)

/rltv rsk/

例句 Examples

Smoking increases the relative risk of lung cancer.
吸烟会提高肺癌的相对风险。

After adjusting for age and income, the study reported a relative risk of 1.8 for heart disease among long-term night-shift workers.
在校正年龄和收入后,该研究报告长期夜班工作者患心脏病的相对风险为 1.8。

词源 Etymology

relative 源自拉丁语 relativus,意为“与……有关、相互关联的”,强调“比较关系”;risk 可能经由意大利语 risco/risico 进入英语,指“危险、风险”。合在一起的 relative risk 字面即“相对的风险”,后来在流行病学中固定化为一个衡量“相对发生概率”的统计指标术语。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Modern Epidemiology(Rothman, Greenland, Lash):在比较暴露与结局关系的章节中系统使用 relative risk(常与 risk ratio 并列讨论)。
  • Cochrane Handbook for Systematic Reviews of Interventions:在效应量与荟萃分析部分频繁出现 relative risk(用于二分类结局的效果指标)。
  • BMJThe LancetNew England Journal of Medicine (NEJM) 等医学期刊的临床研究与公共卫生研究论文中,relative risk 常作为主要结果指标之一(尤其在队列研究与随机对照试验的报告中)。
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