Which of the following statements are TRUE regarding immortal person time? SELECT ALL THAT
APPLY. A. During immortal person time, events are either 1) biologically not possible, or 2) not
able to be observed. B. Immortal person time must be excluded to create appropriate risk sets. C.
When age is the time metric and you are enrolling only adults into your study, the time from birth to
enrollment is considered immortal person-time. D. Late entry into the study is a technique used to
exclude immortal person time. E. When conducting continuous time-to-event analyses, you must
exclude data from the time origin because this is immortal person-time..
Which of the following statements are TRUE regarding immorta.pdf
1. Which of the following statements are TRUE regarding immortal person time? SELECT ALL THAT
APPLY. A. During immortal person time, events are either 1) biologically not possible, or 2) not
able to be observed. B. Immortal person time must be excluded to create appropriate risk sets. C.
When age is the time metric and you are enrolling only adults into your study, the time from birth to
enrollment is considered immortal person-time. D. Late entry into the study is a technique used to
exclude immortal person time. E. When conducting continuous time-to-event analyses, you must
exclude data from the time origin because this is immortal person-time.
