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The risk difference (RD), excess risk, or attributable risk [1] is the difference between the risk of an outcome in the exposed group and the unexposed group. It is computed as I e − I u {\displaystyle I_{e}-I_{u}} , where I e {\displaystyle I_{e}} is the incidence in the exposed group, and I u {\displaystyle I_{u}} is the incidence in the ...
The relative risk (RR) or risk ratio is the ratio of the probability of an outcome in an exposed group to the probability of an outcome in an unexposed group. Together with risk difference and odds ratio , relative risk measures the association between the exposure and the outcome.
In epidemiology, attributable fraction among the exposed (AF e) is the proportion of incidents in the exposed group that are attributable to the risk factor. The term attributable risk percent among the exposed is used if the fraction is expressed as a percentage. [ 1 ]
It is defined as the inverse of the absolute risk increase, and computed as / (), where is the incidence in the treated (exposed) group, and is the incidence in the control (unexposed) group. [1] Intuitively, the lower the number needed to harm, the worse the risk factor, with 1 meaning that every exposed person is harmed.
If the risk of an adverse event is increased by the exposure rather than decreased, the term relative risk increase (RRI) is used, and it is computed as () /. [ 1 ] [ 2 ] If the direction of risk change is not assumed, the term relative effect is used, and it is computed in the same way as relative risk increase.
Systematic Risk vs. Unsystematic Risk: Key Differences systematic risk vs unsystematic risk You might hold the view that when it comes to investing and the markets that all risk is the same.
When adjusted to include AOCI, common equity Tier 1 decreased from 9.1% to an estimated 8.8% from the third to fourth quarter, attributable to the impact from higher long-term interest rates on ...
Image source: The Motley Fool. Academy Sports And Outdoors (NASDAQ: ASO) Q3 2024 Earnings Call Dec 10, 2024, 10:00 a.m. ET. Contents: Prepared Remarks. Questions and Answers. Call Participants