What is Attributable risk is the impoant parameter for:- and explain in detail?
AR Difference in incidence rates of disease (or death) b/w an exposed group & non-exposed group. It indicates to what extent the disease under study can be attributed to the exposure. Aka "risk difference"/ Excess risk/ Absolute risk. Used by epidemiologists. Attributable risk is often expressed as a percent. This is given by the formula :Incidence of disease rate among exposed - incidence of disease rate among non-exposed--- ---------- -------------------------------------------------------------------------------------- xlOOIncidence rate among exposed - RR - used by Clinicians - PAR -useful for National health programmes and policies