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Attributable risk percent (ARP) is a calculation that can be derived from attributable risk.^[1]

It gives the portion of cases attributable (and avoidable) to this exposure in relation to all cases.

It can be calculated as (relative risk - 1) / relative risk.^[1]

Worked exampleEdit

↑ ^1.0 ^1.1 Cole P, MacMahon B (November 1971). Attributable risk percent in case-control studies. Br J Prev Soc Med 25 (4): 242–4.

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