calculating pack year history

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Pack Years of Smoking and Lung Cancer Risk

2023年11月17日 — Calculating Pack Years · The number of packages of cigarettes smoked daily (N) · The number of years of smoking (T).
What is a pack year?

2015年12月21日 — It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years of smoking. The calculation used is:...
Pack-year

A pack-year is a clinical quantification of cigarette smoking used to measure a person's exposure to tobacco. This is used to assess their risk of...
What Are Pack-Years?

2023年1月3日 — At the basic level, a pack-year is defined as the equivalent of smoking one pack of cigarettes a day for one year. There are 20 cigarettes in a...
Pack Years Calculator

To measure a pack year, multiply the number of packs of cigarettes smoked per day by the number of years the person has smoked. Why is pack year important?
Pack Year Calculator

2024年7月25日 — To calculate the pack year ( PY ), multiply the number of packs of cigarettes smoked per day ( Packs ) by the number of years ( Years ) the...

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