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Cumulative AEI incidence rate (%) by study week, reported by AERC and EHR data combined for fluarix tetra, with 95% CI a, stratified by subject UK CMO risk status.
a95% CI upper and lower limits provided when AEIs reported, from week 37 onwards.AEI: Adverse event of interest; AERC: Adverse event recording card; CMO: Chief Medical Officer; EHR: electronic health record; UK: United Kingdom; 95% CI: 95% Confidence interval (Clopper-Pearson exact CI modified for cluster data).
