pack-year

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

Example Sentences

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

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

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

The term “one pack-year” can refer to smoking one pack of 20 cigarettes a day for a year — or two packs a day for half a year, or half-a-pack a day for two years.

From New York Times

A “pack-year” means smoking a pack of cigarettes a day for a year or an equivalent amount.

From Washington Times