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Asthma
Adult asthma hospitalisations decreased markedly in Finland and Sweden between 2006 and 2022
  1. Juho E Kivistö1,2,3,
  2. Jennifer L P Protudjer4,5,6,7,
  3. Sandra Ekstrom7,8,9,
  4. Jussi Karjalainen1,2,
  5. Heini Huhtala10,
  6. Lauri Lehtimäki1,2,
  7. Inger Kull8,11
  1. 1 Allergy Centre, Tampere University Hospital, Tampere, Finland
  2. 2 Faculty of Medicine and Health Technology, University of Tampere, Tampere, Finland
  3. 3 Tampere Center for Child Health Research, Tampere University Hospital, Tampere, Finland
  4. 4 Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
  5. 5 Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba, Canada
  6. 6 The Children’s Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Manitoba, Canada
  7. 7 Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
  8. 8 Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
  9. 9 Center for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
  10. 10 Faculty of Social Sciences, Health Sciences, University of Tampere, Tampere, Finland
  11. 11 Sachs’ Children’s and Youth Hospital, Södersjukhuset, Stockholm, Sweden
  1. Correspondence to Dr Juho E Kivistö; juho.kivisto{at}tuni.fi

Abstract

A decreasing trend in asthma hospitalisations among Finnish and Swedish children has been reported. However, possible changes in asthma hospitalisations among adults are incompletely characterised. We aimed to investigate the incidence of adult asthma hospitalisations in Finland and Sweden from 2006 to 2022 using Finland’s National Hospital Discharge Register and Sweden’s National Patient Register. During the study period, the incidence of asthma hospitalisations decreased by 65.8% in Finland (from 84.9 to 29.0 per 100 000 person-years) and by 52.5% in Sweden (from 31.4 to 14.9 per 100 000 person-years). The incidences of asthma hospitalisations were distinctly higher in Finland compared with Sweden at the start of the study period but approached parity among both sexes.

  • Asthma
  • Asthma Epidemiology

https://doi.org/10.1136/thorax-2024-222417

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    Footnotes

    • Contributors JEK conceptualised and designed the study, designed the data collection instruments, carried out the analyses and drafted the initial manuscript, and approved the final manuscript as submitted. JLPP and SE conceptualised the study, designed the data collection instruments, reviewed and revised the manuscript, and approved the final manuscript as submitted. JK conceptualised the study, reviewed and revised the manuscript, and approved the final manuscript as submitted. LL and IK conceptualised and designed the study, reviewed and revised the manuscript, and approved the final manuscript as submitted. HH conceptualised and designed the data collection instruments, carried out the analyses and approved the final manuscript as submitted.

    • Funding The project received funding from The Jalmari and Rauha Ahokas Foundation, Tampere Tuberculosis Foundation, Väinö and Laina Kivi Foundation, Foundation of the Finnish Anti-Tuberculosis Association and The Research Foundation of the Pulmonary Diseases.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.