Seasonal influenza vaccine uptake among patients with cardiovascular disease in Denmark, 2017–2019
Authors' conclusion
Seasonal influenza vaccine uptake is suboptimal among patients with CVD, even in a universal-access healthcare system with free-of-charge vaccinations. Vaccine uptake was particularly low among young patients.
Study context
- Population
- Patients with prevalent cardiovascular disease (CVD) (heart failure (HF), atrial fibrillation (AF), ischemic heart disease (IHD) or stroke), Denmark, influenza seasons 2017–2019yearly average
- Participants
- 397,346 patients
- Exposure
- HF vs AF vs IHD vs Stroke
- Outcome
- Relative frequency of influenza vaccination across strata of patient characteristics
- Follow-up
- October-December 2017-2019
Methodological details3 influenza seasons
- 3 influenza seasons
Main finding
As reported in the abstract
Influenza vaccine uptake
- Whole population
- 45.6%
- Age ≥65 y, AF (lowest)
- 55.0%
- Age ≥65 y, HF (highest)
- 61.8%
- Age <65 y, HF
- 32.6%
- Age <65 y, AF
- 19.0%
- Age <65 y, IHD
- 21.1%
- Age <65 y, stroke
- 18.3%
Observational data: associations, not effects.
Further findings
Vaccine uptake, males aged <45 years
Vaccine uptake, males aged 45-54 years
Vaccine uptake, further stratified analyses
- Lowest: males <45 y with AF not vaccinated previous season
- 2.5%
- Highest: females ≥75 y with IHD vaccinated previous season
- 87.0%
Original publication
Seasonal influenza vaccine uptake among patients with cardiovascular disease in Denmark, 2017–2019. Eur Heart J Qual Care Clin Outcomes. Published 11 August 2022. doi:10.
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