Prediction model for future OHCAs based on geospatial and demographic data: An observational study.
Journal
Medicine
ISSN: 1536-5964
Titre abrégé: Medicine (Baltimore)
Pays: United States
ID NLM: 2985248R
Informations de publication
Date de publication:
10 May 2024
10 May 2024
Historique:
medline:
10
5
2024
pubmed:
10
5
2024
entrez:
10
5
2024
Statut:
ppublish
Résumé
This study used demographic data in a novel prediction model to identify areas with high risk of out-of-hospital cardiac arrest (OHCA) in order to target prehospital preparedness. We combined data from the nationwide Danish Cardiac Arrest Registry with geographical- and demographic data on a hectare level. Hectares were classified in a hierarchy according to characteristics and pooled to square kilometers (km2). Historical OHCA incidence of each hectare group was supplemented with a predicted annual risk of at least 1 OHCA to ensure future applicability. We recorded 19,090 valid OHCAs during 2016 to 2019. The mean annual OHCA rate was highest in residential areas with no point of public interest and 100 to 1000 residents per hectare (9.7/year/km2) followed by pedestrian streets with multiple shops (5.8/year/km2), areas with no point of public interest and 50 to 100 residents (5.5/year/km2), and malls with a mean annual incidence per km2 of 4.6. Other high incidence areas were public transport stations, schools and areas without a point of public interest and 10 to 50 residents. These areas combined constitute 1496 km2 annually corresponding to 3.4% of the total area of Denmark and account for 65% of the OHCA incidence. Our prediction model confirms these areas to be of high risk and outperforms simple previous incidence in identifying future risk-sites. Two thirds of out-of-hospital cardiac arrests were identified in only 3.4% of the area of Denmark. This area was easily identified as having multiple residents or having airports, malls, pedestrian shopping streets or schools. This result has important implications for targeted intervention such as automatic defibrillators available to the public. Further, demographic information should be considered when implementing such interventions.
Identifiants
pubmed: 38728490
doi: 10.1097/MD.0000000000038070
pii: 00005792-202405100-00046
doi:
Types de publication
Journal Article
Observational Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
e38070Informations de copyright
Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.
Déclaration de conflit d'intérêts
KBR received research grants from TrygFonden and the Danish Heart Foundation outside this work. KHK received research grants from the Laerdal Foundation outside this work. CMH received unrestricted research grants from TrygFonden, Helsefonden and Laerdal Foundation outside this work. CT-P reports grants from Bayer and Novo Nordisk outside the submitted work. The remaining authors have no conflicts of interest to disclose.
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