Understanding lead-time bias

Format: Videos
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Language/s: English
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Resource Link: View the Video
Short Description:

Gilbert Welch’s 10-min video explaining why survival ALWAYS rises following early detection -- even if no one is helped.

Key Concepts addressed:

Details

Gilbert Welch’s 10-min video explaining why survival ALWAYS rises following early detection — even if no one is helped.  This is one of two explanations why survival statistics (e.g. median survival, 5-year survival, 10-year survival) can be so misleading.

The other explanation is overdiagnosis bias, which is discussed here:

/overdiagnosis-bias/