An increase in the likelihood of an event or outcome occurring as a result of a treatment or another intervention, sometimes called the risk difference. It is broadly the same as the absolute risk red [..]

The absolute difference in the frequency of harmful outcomes between experimental and control groups, calculated as frequency of harmful outcomes in the experimental group minus the frequency of harmful outcomes in the control group. Typically used to describe a harmful exposure or intervention (e.g., if the frequency of adverse outcomes is 20% in [..]