how to count cigarette pack years Pack-year Pack year is calculated by
Pack year is calculated by the number of packs of cigarettes smoked per day (20 cigarettes in one pack) times the number of years of smoking. Don't let smoking sneak up on you! A simple calculation can tell you your pack year history. Here's how it works: number of packs per day X number of years smoking For Calculating Smoking Pack Years Health BeatHealth Beat PPT Pharmaceutical care Pack Years of Smoking prepared by Refaa AlAjmi PowerPoint Presentation ID:2273797
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