Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,915,730,330 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

pack-years

    0.01 sec.
pack-years
Medtalk A crude indicator of a person's cumulative cigarette consumption, equal to the number of packs of cigarettes smoked/day, multiplied by yrs of consumption. See Smoking, Tobacco.


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Add definition
Mentioned in?  References in periodicals archive?   Medical browser?   Full browser?
 
However, the investigators found no dose-response relationship between the number of pack-years of smoking and cognitive decline.
quot; Two thirds of patients with lung disease and less than one quarter without lung disease had a history of smoking, and the mean number of pack-years smoked was significantly higher in the lung disease group.
After the researchers controlled for age, sex, race, education, smoking status, pack-years of smoking, body mass index, and diabetes mellitus, early AMD was associated with cancer mortality.
 
 
 
Medical Dictionary
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.