Immortal time bias

Immortal time bias occurs when person-time is misclassified. As an example, we could discuss the best practice for sampling controls from a register with incident cases.
Published

November 23, 2023

Files from session:

Articles discussed were (Platt and Hutcheon 2019) and (Lévesque and Hanley 2010).

References

Lévesque, Linda E, and James A. Hanley. 2010. “Problem of Immortal Time Bias in Cohort Studies: Example Using Statins for Preventing Progression of Diabetes.” https://doi.org/10.1136/bmj.b5087.
Platt, R. W., and J. A. Hutcheon. 2019. “Immortal Time Bias in Epidemiology.” https://doi.org/10.1007/s40471-019-0180-5.