3 Questions
What is absolute risk increase (ARI)?
ARI is the absolute risk of adverse events in the exposed or treatment group (ART) minus the absolute risk of events in the control group (ARC): ARI = ART–ARC. Same as risk difference. Also, the proportion of treated persons who experience an adverse event minus the proportion of untreated persons who experience the event.
How is absolute risk increase (ARI) calculated?
ARI is calculated by subtracting the absolute risk of events in the control group (ARC) from the absolute risk of adverse events in the exposed or treatment group (ART): ARI = ART–ARC.
What is another name for absolute risk increase (ARI)?
Another name for ARI is risk difference.
Test your knowledge about absolute risk increase (ARI) and its calculation with this quiz. Explore another name for absolute risk increase (ARI) and understand its significance in statistics and epidemiology.
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