absolute risk

absolute risk2016-12-12T03:32:19+00:00

absolute risk

EVIDENCE-BASED MEDICINE

Definition The observed or calculated probability of an event’s occurrence, X–e.g., toxicity, infection, etc.–in a population relative to its exposure to a specific hazard or pathogen. It is risk stated without any context whatsoever.

Example 172,570 people in America were diagnosed with lung cancer in 2005, a year in which there were approximately 290,000,000 Americans, yielding an absolute risk of 1:1680 of being diagnosed with lung cancer.

Adding context–e.g., age, smoking history, industrial exposure, etc. is used to define a person’s relative risk of suffering a particular condition. 

Reference http://effectivehealthcare.ahrq.gov/index.cfm/glossary-of-terms/?pageaction=showterm&termid=1 

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