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pack-year

British  

noun

  1. a measure of the amount of cigarettes a person has smoked over an extended period, equal to one packet of 20 every day for one year

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Preventive Services Task Force issued its first-ever lung cancer screening guidelines: Anyone 55 or older with at least a 30 pack-year smoking history should be screened annually with low-dose CT.

From Salon Feb. 3, 2024

But rather than lower the age and pack-year requirements specifically for Black smokers, as Aldrich and her colleagues had advised, the task force loosened those criteria for all smokers, regardless of race.

From Salon Feb. 3, 2024

Barry added that, in terms of screening eligibility, dropping the pack-year threshold from 30 to 20 benefitted the Black high-risk population more than the corresponding non-Hispanic White population.

From Salon Feb. 3, 2024

But “unfortunately, lowering the age and pack-year requirements alone does not guarantee increased equity in lung cancer screening,” wrote Dr. Yolonda Colson and colleagues at Massachusetts General Hospital.

From Seattle Times Mar. 9, 2021

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