Pronunciation: per′sŏn yērz
1. The product of the number of years times the number of members of a population who have been affected by a certain condition (years of treatment with a given drug).
The information shown above for person-years is provided by Stedman's.
* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.