Definition
Ratio of hazard rates between groups in survival analysis; HR<1 often suggests lower event risk in the experimental arm.
生存分析中表示两组风险随时间变化之比的指标；HR<1 常提示实验组事件风险更低。
Common collocations
Example from literature
The hazard ratio for death was 0.72 (95% CI, 0.58–0.89).
死亡风险比为 0.72（95% CI，0.58–0.89）。