Finding and appraising qualitative evidence
What are Lead-Time Bias and Length-Time Bias?< Back to search results
Lead-time and length-time bias, and examples to help clarify the concepts.
The earlier we diagnose a disease, the longer patients will appear to survive, when in fact we just started counting earlier.
Patients with slowly progressing diseases are more likely to be detected through screening
- Format Videos
- Language/s English
- Target Audience Further education, Self-directed learning
- Duration <5 mins
Key Concepts addressed
Abi Kirubarajan defines lead-time and length-time bias, and provides examples to help clarify the concepts.