mortality (rate) mortality (rate)
The number of deaths in a group of people over time.
Example of mortality (rate) in a sentence
The mortality rate in a study refers to how many people died over the course of the study.
More Info
The mortality rate is calculated by counting how many deaths occur in a group of people during an amount of time.
For example, if 6 people died in a study of 200 people, the mortality rate would be 3% (e.g., 6/200=3/100=3%).
Other info to think about when joining a study
In the clinical research context, the term “mortality rate” can be found in study descriptions. A study may look at ways to decrease the number of deaths (“mortality rate”) in a group of people or from a specific cause. The term may also be used to describe how many participants died over the course of the study.
If you see this term when you are reviewing a research document, you can always ask the study team about how it might be important for your participation in the study.