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Lead time bias and its control in observational studies for clinical outcomes / 中华流行病学杂志
Chinese Journal of Epidemiology ; (12): 700-703, 2018.
Article Dans Chinois | WPRIM | ID: wpr-736561
ABSTRACT
Lead time bias might exist in observational study for clinical outcomes.This paper summarizes the concept of lead time bias,causes and control of lead time bias by using the studies of influences of screening diagnostic test on cancer patients' survival and highly active antiretroviral therapy on HIV/AIDS patients' survival as examples for the purpose of providing thinking and methods in the control of lead time bias for the accurate evaluation of the effects of interventions,such as test and treatment,on the diseases with multi courses or phases.

Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Type d'étude: Étude observationnelle langue: Chinois Texte intégral: Chinese Journal of Epidemiology Année: 2018 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Type d'étude: Étude observationnelle langue: Chinois Texte intégral: Chinese Journal of Epidemiology Année: 2018 Type: Article