background rate

background rate

the rate, often low, at which some event or agent occurs, at a particular time or in a particular place, in the absence of a specific hazard.
References in periodicals archive ?
9% incidence rate, which is at the lower end of the background rate associated with allo-transplant, the analyst points out.
This is especially meaningful when we consider that the background rate of depression among men in Germany is 6%," Ms.
Under the expected background rate of customer complaints handling cases amounts to 15 000 pieces per year.
7 degrees Celsius per century, dwarfing the natural background rate," he said.
Research also shows that HIV prevalence figures for transgender people are around 49 times higher than the background rate.
But taking into account new research, Pimm and his colleagues refined that background rate to about 0.
The PPTA results are showing us how low the background rate of gravitational waves is," said Dr Bhat.
The current rate of extinction is 100 to 1000 times higher than the average, or background rate, making our current period the 6th major mass extinction in the planet's history.
Home treatment initiation almost tripled the rate of treatment initiation, compared with either the standard of care clusters or the background rate of treatment initiation at local health facilities in an equivalent prior to the study.
Against the given background rate of the retail sale slowed down from 15.
This presumably would not have to be routinely checked, since comigration of substrate and product (if the UHPLC column started to fail) would result in an abnormally high background rate (high product in the filter paper-only punch sample).
5 levels had been reduced to their natural background rate, the total number of deaths would have fallen by 4,873, or 12 percent.