Abstract
BackgroundInfluenza vaccination is one of the main interventions to prevent the flu. This study evaluates the impact of automated letter as a method of capturing patients at risk in influenza vaccination campaigns between 2013–2017. MethodsThis is a descriptive observational study in Sector I Zaragoza. Data analysis with SPSS and Excel. We studied 173,935 patients (> 65 years old or with a risk factor) between 2011 and 2017, comparing the type of catchment used for vaccination. Center 1 uses postal mail compared to Center 2 that uses regular information channels. ResultsSignificant differences were observed, with an increase in vaccination in center 1 compared to center 2 (center 1: 29.59%; center 2: 19.76%, p < 0.001). Significant differences are found when comparing the vaccination rates in center 1 pre-post intervention (p < 0.001). These differences are also significant when analyzing the risk groups: > 65 years, asthmatics, patients with COPD, diabetics and patients with coronary heart disease.78.3% of the center 1's surveys considerate quate the patient catchment via postal mail ConclusionsSending a letter to those patients at risk of severe complications from influenza is an effective measure to increase influenza vaccination in the primary care setting.
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