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Agreement between state registry, health record, and self-report of influenza vaccination
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9 07 2021
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Source: Vaccine. 39(38):5341-5345
Details:
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Alternative Title:Vaccine
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Personal Author:
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Description:Background:
Documentation of influenza vaccination, including the specific product received, is critical to estimate annual vaccine effectiveness (VE).
Methods:
We assessed performance of the Michigan Care Improvement Registry (MCIR) in defining influenza vaccination status relative to documentation by provider records or self-report among subjects enrolled in a study of influenza VE from 2011 through 2019.
Results:
The specificity and positive predictive value of MCIR were high; however, >10% of vaccinations were identified only by other sources each season. The proportion of records captured by MCIR increased from a low of 67% in 2013–2014 to a high of 89% in 2018–2019, largely driven by increased capture of vaccination among adults.
Conclusions:
State vaccine registries, such as MCIR, are important tools for documenting influenza vaccination, including the specific product received. However, incomplete capture suggests that documentation from other sources and self-report should be used in combination with registries to reduce misclassification.
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Pubmed ID:34384635
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Pubmed Central ID:PMC8452147
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Funding:
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Volume:39
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Issue:38
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