The Difference between the Population Attributable Risk (PAR) and the Potentioal Impact Fraction (PIF) (Letter to the Editor)

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ASKARI MARYAM; NAMAYANDEH SEYEDEH MAHDIEH

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Public Health Year:2020 | Volume:49 | Issue:10 Page(s): 2018-2019

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Title

The Difference between the Population Attributable Risk (PAR) and the Potentioal Impact Fraction (PIF) (Letter to the Editor)

Author(s)

ASKARI MARYAM | NAMAYANDEH SEYEDEH MAHDIEH | Issue Writer Certificate

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Abstract

Dear Editor-in-Chief Two types of measure of association are used to esti-mate the effect of exposure in the occurrence of the disease. 1) Relative difference or incidence ratio and 2) absolute difference of the incidence of disease. Rel-ative differences or ratios indicate the strength of as-sociation, and are present in etiological studies. abso-lute differences, bring a perspective of population prevention strategies (1). Attributable Risk (AR) based on absolute differ-ences. AR it should be interpreted as a true etio-logic fraction. AR in Exposed Individuals (ARexp) indicates the number of cases of a disease among exposed individuals that can be attributed to that exposure. Population Attributable Risk (PAR) is the porportion of the incidence of a disease in the population (exposed and nonexposed) that is due to exposure. PAR is the difference between the risk in the total population and that in unex-posed subjects. It is the incidence of a disease in

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APA: Copy

ASKARI, MARYAM, & NAMAYANDEH, SEYEDEH MAHDIEH. (2020). The Difference between the Population Attributable Risk (PAR) and the Potentioal Impact Fraction (PIF) (Letter to the Editor). IRANIAN JOURNAL OF PUBLIC HEALTH, 49(10), 2018-2019. SID. https://sid.ir/paper/757423/en

Vancouver: Copy

ASKARI MARYAM, NAMAYANDEH SEYEDEH MAHDIEH. The Difference between the Population Attributable Risk (PAR) and the Potentioal Impact Fraction (PIF) (Letter to the Editor). IRANIAN JOURNAL OF PUBLIC HEALTH[Internet]. 2020;49(10):2018-2019. Available from: https://sid.ir/paper/757423/en

IEEE: Copy

MARYAM ASKARI, and SEYEDEH MAHDIEH NAMAYANDEH, “The Difference between the Population Attributable Risk (PAR) and the Potentioal Impact Fraction (PIF) (Letter to the Editor),” IRANIAN JOURNAL OF PUBLIC HEALTH, vol. 49, no. 10, pp. 2018–2019, 2020, [Online]. Available: https://sid.ir/paper/757423/en

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