how to count cigarette pack years Calculate Pack-Years for Smoking? How to Calculate Pack-Years for
How to Calculate Pack Years for Smoking Cigarettes PPT Pharmaceutical care Pack Years of Smoking prepared by Refaa AlAjmi PowerPoint Presentation ID:2273797 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 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.
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