relative risk

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Related to relative risk: absolute risk, Attributable risk

risk

[risk]

a danger or hazard; the probability of suffering harm.

attributable risk the amount or proportion of incidence of disease or death (or risk of disease or death) in individuals exposed to a specific risk factor that can be attributed to exposure to that factor; the difference in the risk for unexposed versus exposed individuals.

empiric risk the probability that a trait will occur or recur in a family based solely on experience rather than on knowledge of the causative mechanism. See also genetic risk.

genetic risk the probability that a trait will occur or recur in a family, based on knowledge of its genetic pattern of transmission. See also empiric risk.

relative risk for a disease, death, or other outcome, the ratio of the incidence rate among individuals with a given risk factor to the incidence rate among those without it.

rel·a·tive risk (RR),

the ratio of the risk of disease among those exposed to a risk factor to the risk among those not exposed.

Farlex Partner Medical Dictionary © Farlex 2012

rel·a·tive risk

(RR) (relă-tiv risk)

Ratio of the risk of disease among those exposed to a risk factor to the risk among those not exposed.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

References in periodicals archive ?

Caption: "The 22% relative risk reduction in recurrent Ml with dapagliflozin is comparable to other established therapies used in secondary prevention after MI...," Dr.

Dapagliflozin beneficial in type 2 diabetes with prior Ml

From the definitions above, we immediately see that the three measures have quite different ranges; both the relative risk and odds ratio vary between 0 and ~, while the risk difference is limited to a much smaller interval between -1 and 1.

Relationships among three popular measures of differential risks: relative risk, risk difference, and odds ratio

Major Finding: After adjusting for risk factors, the relative risk for antidepressant medication for men with type 2 diabetes was 1.46; for women, it was 1.20 for ages 30-39.

Bidirectional link seen between depression and diabetes

Nevertheless, there seemed to be an inverse relation between the degree of homocysteine reduction and the relative risk of stroke, with a significant reduction in the relative risk of stroke occurring once a 20% decrease in homocysteine concentration had been reached.

Folic acid reduces first stroke risk

Meyer and Meyer explain that the coefficients of absolute and relative risk aversion developed by Pratt (1964) and Arrow (1965) were originally based on this specific concept of wealth, but because W is difficult to measure in practice, most subsequent analyses have used other forms of wealth or nonwealth variables as arguments of the decision maker's utility function.

Measuring Risk Aversion

When, in 1994, Janet Daling found that women have a 1.5 relative risk for breast cancer after abortion, the Journal of the National Cancer Institute, publishing her study, downplayed her results with an editorial noting, "In epidemiologic research, relative risks less than 2 are considered small and ...

Balancing risks: the increased risk of cancer from abortion is very low, but it's still riskier than second-hand smoke

A plethora of published medical and scientific literature establishes a statistically significant increased relative risk for adverse cardiovascular events associated with Vioxx use.

Embracing risk factors in pharmaceutical litigation: plaintiff lawyers tend to be reluctant to take on a drug injury case unless the client has few or no risk factors for the injury alleged. But attorneys who take the road less traveled may discover it's the quickest path to success

In addition, although the relative risks are lower than those reported in other studies for infants born at earlier gestational ages, the much larger number of near-term infants affected would tend to make their poorer functioning at preschool and kindergarten a serious issue for national health policy, Dr.

Near-term infants at risk for learning problems

Some studies use relative risks (RRs) to describe results; others use odds ratios (ORs).

Relative risks and odds ratios: what's the difference?

Often, assessments of "relative risk" are colored by purely political considerations.

Junk science 101: Junk Science Judo by Steven Milloy is a primer in the art of identifying counterfeit science, and enables the reader to detect the statistical malpractice rampant in today's news media

This article discusses the role of epidemiologic evidence in toxic tort cases, focusing on relative risk. If a relative risk is above 2.0, can we infer specific causation?

The swine flu vaccine and Guillain-Barre syndrome: a case study in relative risk and specific causation

A statistical analysis found four independent predictors of progression to cirrhosis (severe scarring of the liver): absence of protease inhibitor therapy (relative risk 4.74), heavy alcohol use (greater than or equal to 50 grams per day -- about 5 drinks a day -- relative risk 4.71), CD4 count under 200 (relative risk 2.74), and age greater than 20 years at the time of hepatitis C infection (relative risk 2.74).

Liver Fibrosis in HIV/Hepatitis C Coinfection: HIV Protease Inhibitors May Be Protective