OPEN Research Support

Associate professor
Søren Bie Bogh
Research unit OPEN, Open Patient data Explorative Network, Odense University Hospital

Projekt styring
Projekt status    Sampling ongoing
Data indsamlingsdatoer
Start 01.04.2020  
Slut 31.12.2022  

Where have all the patients gone? A systemwide national study on healthcare-seeking and mortality during the COVID-19 pandemic

Short summary

This study aims to investigate whether the COVID-19 pandemic and related measures have caused within the health sector what it has meant for citizens in Denmark, including citizens with health contacts. For example, changes in the number of hospital contacts, mortality, how new procedures affect treatment, and how healthcare is affected across sector boundaries are examined


To reduce the transmission and mortality from SARS-CoV2 – i.e. – most countries have issued ‘shelter at home' orders and have temporarily shut down daycare, schools, industries and most public gatherings. 

We report the nationwide consequences of the SARS-CoV2 pandemic on unplanned non-psychiatric and psychiatric hospital visit patterns before and during the ‘shelter at home' period.

Description of the cohort

All inhabitants of Denmark

Data and biological material

National Registries

Collaborating researchers and departments

Department of Emergency Medicine, Hospital of South West Jutland, Denmark

  • Marianne Fløjstrup, MD
  • Søren Kabell Nissen, MD
  • Stine Hanson, MD
  • Professor Mikkel Brabrand, PhD

Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University, Denmark

  • Professor Søren Paaske Johnsen, PhD

University College Lillebaelt (UCL), Denmark

  • Mickael Bech, PhD

Department of Endocrinology, Odense University Hospital, Denmark

  • Lars Folkestad, PhD

Centre for Prehospital and Emergency Research, Aalborg University and Aalborg University Hospital, Denmark

  • Professor Erika Frischknecht Christensen, PhD
  • Tim Lindskou, MSc
  • Morten Breinholt Søvsø, PhD

Clinical Pharmacology and Pharmacy, University of Southern Denmark, Denmark

  • Daniel Pilsgaard Henriksen, PhD

Department of Emergency Medicine, University of California, San Francisco, USA

  • Professor Renee Y. Hsia

Accident and Emergency Medicine Academic Unit, Chinese University of Hong Kong, Hong Kong SAR, China

  • Professor Colin A Graham, MD

The Rheumatology Research Unit and Department of Neurology, Odense University Hospital, Denmark

  • Keld-Erik Byg, MD

Department of Emergency Medicine, Holbæk Hospital, Denmark

  • Peter Hallas, MD

The Prehospital Research Unit, Region of Southern Denmark, Denmark

  • Professor Søren Mikkelsen

Danish Center for Health Economics (DaCHE), University of Southern Denmark, Denmark

  • Professor Kim Rose, PhD

National Institute of Public Health, University of Southern Denmark, Denmark

  • Professor Lau Caspar Thygesen, PhD

Department of Emergency Medicine and Department of Clinical Research, Hvidovre University Hospital, Denmark

  • Hejdi Gamst-Jensen, PhD

Research Unit for General Practice, University of Southern Denmark, Denmark

  • Professor Jens Søndergaard