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?:abstract
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BACKGROUND Advanced age is the most important risk factor for death as a result of COVID-19, but there is a dearth of knowledge regarding the impact of chronic diseases. Using health registry data, we describe the disease profiles of persons who died after a confirmed infection with SARS-CoV-2 during the first three months of the pandemic in Norway. MATERIAL AND METHOD Data from the specialist health service (Norwegian Patient Registry, NPR) and the primary health service (Norwegian Registry for Primary Health Care, NRPHC) were linked to information on positive tests for SARS-CoV-2 from the Norwegian Surveillance System for Communicable Diseases (MSIS) and on deaths from the National Population Register. The data retrieval included the Norwegian population as of 1 March 2020 with data for confirmed infections, hospitalisations and deaths until 31 May 2020. RESULTS Of 8 412 persons with a confirmed SARS-CoV-2 infection, altogether 244 (2.9 %) died, whereof 133 (55 %) were men. Among those with a confirmed infection, the proportion who died varied from 0.2 % (age < 60 years) to 52 % (age ≥ 90 years). Altogether 92 (38 %) patients died in hospital. 25 (16 %) of those who died elsewhere had previously been hospitalised for COVID-19. The proportion with no registered chronic disease was 39 % in the age group < 70 years and 26 % in the age group ≥ 70 years. The disease distribution varied between those patients who had died in and outside of hospital, especially for diagnoses of diabetes, renal failure and dementia. INTERPRETATION Among those who had a SARS-CoV-2 infection confirmed during the first three months of the pandemic in Norway, only a small proportion died. The majority of those who died were 70 years or older and had at least one chronic disease, but the disease profile varied between patients who died in and outside of hospital. Health registry data can help provide a better overview of and advice to risk groups in the population during an ongoing pandemic.
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