ATSRxPodcast: The Science Behind Drug Interactions: Impact of Observational vs. Causality in Interactions Affecting Acute Care Drugs
ATS Breathe Easy
00:00
The Immortal Time Bias
Study design is key to avoiding confounding by indication, he says. "Immortal time bias" can build in a protective effect for patients that are treated. Selection bias occurs when exclusion based on things that happen after time zero. And the way in which we include patients into a study is associated with the outcome.
Transcript
Play full episode
