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Fig. 1 | Critical Care

Fig. 1

From: Clinical outcomes during and beyond different COVID-19 critical illness variant periods compared with other lower respiratory tract infections

Fig. 1

Study flow chart. Note The green boxes indicate the included hospitalizations and the red boxed indicate the excluded hospitalizations. The blue boxes describe what analyses were performed for each part of the study population. COVID-19 Coronavirus disease 2019, ICD-10 International Statistical Classification of Diseases and Related Health Problems 10th Revision, ICU Intensive care unit, LRTI Lower respiratory tract infection, PCR Polymerase chain reaction, SARS-CoV-2 Severe acute respiratory syndrome coronavirus 2

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Critical Care

ISSN: 1364-8535