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Immortal Time Bias
Everything on Aqrab tagged Immortal Time Bias — grouped into one landing page so readers can go deeper by problem family instead of bouncing around the archive blind.
Causal InferenceImmortal Time BiasStudy Design
Immortal Time Bias: The Fake Survival Advantage Hiding in Bad Study Design
A practical guide to immortal time bias for clinical researchers. Covers time zero, future-based exposure definitions, delayed treatment initiation, target trial emulation, and why you cannot adjust your way out of a broken timeline.
2026-04-21·16 min read
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