Immeasurable time bias due to hospitalization in medico‐administrative databases: which impact for pharmacoepidemiological studies?
Sign Up to like & getrecommendations! Published in 2017 at "Pharmacoepidemiology and Drug Safety"
DOI: 10.1002/pds.4193
Abstract: Drugs administered to hospitalized patients are not available within almost all health insurance databases. However, this unobservable exposure time bias is very rarely taken into account in pharmacoepidemiology. The objective was to model unobservable periods… read more here.
Keywords: time bias; bias due; due hospitalization; immeasurable time ... See more keywords
An empirical assessment of immeasurable time bias in the setting of nested case‐control studies: Statins and all‐cause mortality among patients with heart failure
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DOI: 10.1002/pds.4888
Abstract: Immeasurable time bias exaggerates drug benefits in pharmacoepidemiologic studies due to exposure misclassification that occurs due to the lack of inpatient drug data in many healthcare databases. read more here.
Keywords: assessment immeasurable; bias setting; empirical assessment; time bias ... See more keywords
New methodological approaches were able to effectively reduce immeasurable time bias in case-only designs.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of clinical epidemiology"
DOI: 10.1016/j.jclinepi.2020.11.004
Abstract: OBJECTIVE To assess approaches to reduce immeasurable time bias in case-crossover (CCO), case-time-control (CTC), and case-case-time-control (CCTC) designs. STUDY DESIGN AND SETTING We used Korea's healthcare database that has inpatient and outpatient prescriptions and an… read more here.
Keywords: time; case; time bias; reduce immeasurable ... See more keywords