Key result
Influenza vaccination coverage among multiple sclerosis patients increased from 20.4% in the 2015-2017 seasons to 41.5% in the 2019-2020 season (p=0.000).
Why the study?
The study was conducted to determine the influenza vaccination rate and associated factors in a Spanish cohort of patients with multiple sclerosis.
What is the influenza vaccination coverage and what factors are associated with vaccination among multiple sclerosis patients?
Cohort (n=260)
No
What is the influenza vaccination coverage and what factors are associated with vaccination among multiple sclerosis patients?
Absolute Event Rate: 41.5% vs 20.4%
p-value: p=0.000
Influenza vaccination coverage among MS patients in a Spanish cohort increased to 41.5% by 2019-2020, with hospital vaccination unit recommendations significantly improving uptake.
Supports hospital recommendations to raise influenza uptake in MS; leaves open causal effects in prospective trials.
Our objective was to determine the influenza vaccination rate in a Spanish cohort of multiple sclerosis (MS) patients. A retrospective cohort study was carried out. Patients who attended the MS unit of the Lozano Blesa Hospital of Zaragoza between January 2015 and 2020 were included. The variables were obtained by reviewing the specialized and primary care records. Associations between receiving the vaccine in each flu season and the other variables were analyzed using bivariate analysis and multiple logistic regression models. A total of 260 patients were studied, with a median age of 31 years at the time of diagnosis. A total of 62.3% (162/260) were women. Vaccination coverage ranged from 20.4% in the 2015−2016 and 2016−2017 seasons to 41.5% in the 2019−2020 season (p = 0.000). Having been vaccinated in the previous season (ORa: 16.47−390.22; p = 0.000) and receiving a vaccination recommendation from the hospital vaccination unit (ORa: 2.44−3.96; p < 0.009) were associated with being vaccinated. The coverage is in an intermediate position compared to other countries. It is necessary to improve the referral system of these patients to the hospital vaccination unit because the information obtained by this service contributed to higher vaccination rates.
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Hernández-García et al. (2022) conducted a cohort in Multiple sclerosis (n=260). Influenza vaccination was evaluated on Influenza vaccination coverage (p=0.000). Influenza vaccination coverage among multiple sclerosis patients increased from 20.4% in the 2015-2017 seasons to 41.5% in the 2019-2020 season (p=0.000).
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