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Lead Time Bias

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Information about Lead Time Bias

Published on March 10, 2009

Author: nephron

Source: slideshare.net

Description

This demonstrates lead time bias. I do not know if lead time bias is responsible for the prolonged survival with early referral to nephrology I just know that it needs to be accounted for and most literature ignores this source of error.
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Late referral Early referral Survival (months) Initiation of dialysis Conclusion: early referral has a large effect on the survival on dialysis Wednesday, March 11, 2009

Late referral Early referral Survival (months) GFR of 10 mL/min Wednesday, March 11, 2009

Initiation of dialysis for late referrals Late referral Early referral Survival (months) Initiation of dialysis for early referrals GFR of 10 mL/min Wednesday, March 11, 2009

Survival time off dialysis gained by Initiation of dialysis for late referrals the late initiation of dialysis Late referral Early referral Survival (months) Initiation of dialysis for early referrals GFR of 10 mL/min New conclusion: early referral results in earlier initiation of dialysis and prolonged survival on dialysis but does not change patient survival. Wednesday, March 11, 2009

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