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Readable research linked to original sources
Browse normalized, publication-ready research with direct links to its evidence and source.
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Readable research linked to original sources
Browse normalized, publication-ready research with direct links to its evidence and source.
2 articles
Newest firstIntroductionObservational data enables large-scale vaccine safety surveillance but requires careful evaluation of potential sources of bias. One potential source of bias is an index date selection procedure for the unvaccinated cohort or unvaccinated comparison time. Here, we evaluate different index date selection procedures for two vaccines: COVID-19 and influenza. MethodsFor each vaccine, we extracted patient b…
Open article record in new tab ↗Structured AbstractO_ST_ABSImportanceC_ST_ABSPost-acute sequelae of SARS-CoV-2 infection (PASC) is emerging as a major public health issue. ObjectiveWe characterized the incidence of PASC, or related symptoms and diagnoses, for COVID-19 and influenza patients. DesignRetrospective cohort study. SettingOur data sources were the IBM MarketScan Commercial Claims and Encounters (CCAE), Optum Electronic Health Record (E…
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