Clinical characteristics of the severe acute respiratory syndrome coronavirus 2 omicron variant compared with the delta variant: a retrospective case-control study of 318 outpatients from a single sight institute in Japan - Suzuki, Keiko; Ichikawa, Takaya; Suzuki, Satoshi; Tanino, Yoko; Kakinoki, Yasutaka (PeerJ (San Francisco, CA), 2022)
Keywords: Age; Aspartate; Aspartate aminotransferase; Bacterial pneumonia; Blood; Blood tests; Body mass index; C-reactive protein; Care and treatment; Case-Control Studies; Clinical characteristics; Comorbidity; Comparative analysis; Coronaviruses; COVID-19; COVID-19 - epidemiology; COVID-19 vaccines; Dehydrogenases; Demographics; Electronic medical records; Epidemiology; Ferritin; Health aspects; Hematology; Hospital patients; Hospitals, Urban; Humans; Infectious Diseases; Internal Medicine; Japan - epidemiology; L-Lactate dehydrogenase; Laboratories; Lactic acid; Leukocytes (neutrophilic); Lymphocytes; Medical examination; Medical records; Medical research; Medicine, Experimental; Neutrophils; Omicron; Outpatients; Oxygen therapy; Patients; Pneumonia; Retrospective Studies; Risk factors; SARS-CoV-2 - genetics; Severe acute respiratory syndrome; Severe acute respiratory syndrome coronavirus 2; Vaccination; Japan; COVID-19; Clinical characteristics; Outpatients; Omicron; Risk factors