" /> Pack Year - CISMeF





Preferred Label : Pack Year;

NCIt synonyms : Pack-Year;

NCIt related terms : {Pack Year}; Pack Year: The number of cigarettes smoked per day times the number of years smoked divided by 20 (the number of cigarettes in a pack); pack years smoked; pack_years_smoked; Smoking Pack Years;

NCIt definition : A quantification of lifetime tobacco exposure defined as (number of cigarettes smoked per day x number of years smoked)/20. One pack-year is smoking 20 cigarettes a day for one year.;

Alternative definition : NCI-GLOSS: A way to measure the amount a person has smoked over a long period of time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years the person has smoked. For example, 1 pack year is equal to smoking 1 pack per day for 1 year, or 2 packs per day for half a year, and so on.; OORO: The number of packs of cigarettes (20 cigarettes/pack) smoked per day times the number of years at that rate;

Codes from synonyms : CDR0000306510;

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Keyword's position in hierarchy(ies) : arborescence

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29/04/2024


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