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Bias from Loss to Follow-up

  1. Mitchell H. Gail

Published Online: 15 JUL 2005

DOI: 10.1002/0470011815.b2a03010

Encyclopedia of Biostatistics

Encyclopedia of Biostatistics

How to Cite

Gail, M. H. 2005. Bias from Loss to Follow-up. Encyclopedia of Biostatistics. 1.

Author Information

  1. National Cancer Institute, Bethesda, MD, USA

Publication History

  1. Published Online: 15 JUL 2005


Loss to follow-up bias results when subjects lost from a cohort have different health response distributions from subjects who remain in follow-up.


  • bias;
  • loss to follow-up;
  • missing data in epidemiologic studies;
  • bias from nonresponse