2023
DOI: 10.1016/j.vaccine.2022.11.031
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Background rates of 41 adverse events of special interest for COVID-19 vaccines in 10 European healthcare databases - an ACCESS cohort study

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Cited by 43 publications
(43 citation statements)
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“…Our rates may have been influenced by our inclusion of ED data without associated hospitalisations or may represent coding errors. However, our rates were within the range of pooled estimates published by the ACCESS project (with which our methods aligned), particularly rates derived from both hospitalisation and ED data like ours (pooled incidence rate: 3.39 per 100,000 person-years; 95%CI: 2.16–4.63) [ 30 ]. Additionally, our rates aligned with those published by the Food and Drug Administration (FDA) using claims data including inpatient, ED and/or other outpatient and healthcare provider data [ 37 ].…”
Section: Discussionsupporting
confidence: 70%
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“…Our rates may have been influenced by our inclusion of ED data without associated hospitalisations or may represent coding errors. However, our rates were within the range of pooled estimates published by the ACCESS project (with which our methods aligned), particularly rates derived from both hospitalisation and ED data like ours (pooled incidence rate: 3.39 per 100,000 person-years; 95%CI: 2.16–4.63) [ 30 ]. Additionally, our rates aligned with those published by the Food and Drug Administration (FDA) using claims data including inpatient, ED and/or other outpatient and healthcare provider data [ 37 ].…”
Section: Discussionsupporting
confidence: 70%
“…For example, our rates of all-cause death were lower than in the USA [ [25] , [28] ] but similar to other countries like South Korea, likely a reflection of differences in health systems and population demographics [ 29 ]. Compared with rates published in the 2023 ACCESS report, our rates of convulsions were more than double the age-standardised pooled rates from countries using inpatient and ED data (narrow definition; 142.56 (95%CI: 134.83–150.30); our rates of anaphylaxis were more than 10 times higher than those published by ACCESS (narrow definition; 7.44 (95%CI: 5.54–9.33) [ 30 ]. It is likely that this discrepancy was due to our including all unique events of anaphylaxis and generalised convulsions rather than only incident cases as per the ACCESS protocol.…”
Section: Discussioncontrasting
confidence: 60%
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“…As for all outcomes of interest, the identification of VTE in a data source may vary according to the nature of the data captured (e.g., the presence or absence of a diagnosis code and/or related procedures and/or related drug dispensing), and the ontology used to characterize them, when available. The healthcare settings (outpatient or inpatient) may also impact the way outcomes are coded and recorded (1). As a consequence, accurately identifying an outcome, such as VTE, in a data source requires the implementation of a specific algorithm to either refine a diagnosis code or overcome its absence.…”
Section: Purposementioning
confidence: 99%
“…In May 2020, the ACCESS (The vACCine Covid‐19 monitoring readinESS) project was launched to prepare real‐world monitoring of COVID‐19 vaccines. Within this project, background incidence rates of 41 adverse AESI following administration of COVID‐19 vaccines were calculated based on 10 healthcare databases from 7 European countries 22 …”
Section: Introductionmentioning
confidence: 99%