• S Brinkman, F Termorshuizen, D A Dongelmans, F Bakhshi-Raiez, M S Arbous, D W de Lange, N F de Keizer, and Dutch COVID-19 Research Consortium.
• National Intensive Care Evaluation (NICE) Foundation, Postbus 23640, 1100 EC Amsterdam, the Netherlands; Amsterdam UMC location AMC, University of Amsterdam, Department of Medical Informatics, Amsterdam Public Health Research Institute, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands. Electronic address: s.brinkman@amsterdamumc.nl.
• J Crit Care. 2022 Apr 1; 68: 768276-82.

PurposeDescribe the differences in characteristics and outcomes between COVID-19 and other viral pneumonia patients admitted to Dutch ICUs.Materials And MethodsData from the National-Intensive-Care-Evaluation-registry of COVID-19 patients admitted between February 15th and January 1th 2021 and other viral pneumonia patients admitted between January 1st 2017 and January 1st 2020 were used. Patients' characteristics, the unadjusted, and adjusted in-hospital mortality were compared.Results6343 COVID-19 and 2256 other viral pneumonia patients from 79 ICUs were included. The COVID-19 patients included more male (71.3 vs 49.8%), had a higher Body-Mass-Index (28.1 vs 25.5), less comorbidities (42.2 vs 72.7%), and a prolonged hospital length of stay (19 vs 9 days). The COVID-19 patients had a significantly higher crude in-hospital mortality rate (Odds ratio (OR) = 1.80), after adjustment for patient characteristics and ICU occupancy rate the OR was respectively 3.62 and 3.58.ConclusionHigher mortality among COVID-19 patients could not be explained by patient characteristics and higher ICU occupancy rates, indicating that COVID-19 is more severe compared to other viral pneumonia. Our findings confirm earlier warnings of a high need of ICU capacity and high mortality rates among relatively healthy COVID-19 patients as this may lead to a higher mental workload for the staff.Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.

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