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Which of the following statements about person-time is FALSE Person-time is used

ID: 195987 • Letter: W

Question

Which of the following statements about person-time is FALSE Person-time is used in the denominator when calculating cumulative incidence Person-time is the sum of time accrued for all subjects in a study. The risk of disease is assumed to be constant and similar during each interval of time. The number of calculated person-years is the same whether 2 people are followed for 10 years or 10 people are followed for 2 years. Person-time accounts for the incomplete follow-up of a group of study subject, or a cohort

Explanation / Answer

The risk of disease is assumed to be a constant and similar during each interval of time. This statement is a false statement.

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