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Potential Years of Life Lost and Preventable Years of Life Lost : A Primer B.C. Injury Research and Prevention Unit
The Potential Years of Life Lost (PYLL) is a measure, or metric, that captures the number of years of life lost due to death from an adverse event. In essence, one PYLL can be thought of as one year of life lost due to a premature death. The Preventable Years of Life Lost (PrYLL) is a measure calculated in the same way as PYLL, except it considers only preventable causes of deaths. In essence, one PrYLL can be thought of as one year of life lost due to a premature death that was preventable.
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