Characteristics and Outcomes of Pediatric COVID-19 Patients in Osaka, Japan

Yusuke Katayama, Ling Zha, Tetsuhisa Kitamura, Atsushi Hirayama, Taro Takeuchi, Kenta Tanaka, Sho Komukai, Takeshi Shimazu, Tomotaka Sobue and on behalf of the COVID-19 Epidemiology Research Group of Osaka University
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Yusuke Katayama: Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
Ling Zha: Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan
Tetsuhisa Kitamura: Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan
Atsushi Hirayama: Division of Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
Taro Takeuchi: Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan
Kenta Tanaka: Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan
Sho Komukai: Division of Biomedical Statistics, Department of Integrated Medicine, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan
Takeshi Shimazu: Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
Tomotaka Sobue: Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan
on behalf of the COVID-19 Epidemiology Research Group of Osaka University: The group members consist of researchers in Osaka University for investigating the epidemiology of COVID-19 in Osaka.

IJERPH, 2021, vol. 18, issue 11, 1-10

Abstract: The epidemiological information on characteristics, in-hospital treatments, and outcomes of the coronavirus disease 2019 (COVID-19) among pediatric patients has not been fully evaluated in Japan. This was a retrospective observational study conducted in the Osaka Prefecture, Japan, and we enrolled laboratory-confirmed COVID-19 patients aged ? 19 years old from January to November in 2020. Of 14,846 COVID-19 eligible patients, 1240 pediatric patients (8.4%) were registered during the study period; 329 were children aged 0–9 years (26.5%) and 911 were adolescents aged 10–19 years (73.5%). The majority of the patients exhibited mild symptoms at diagnosis (872, 70.3%), some were asymptomatic (296, 23.9%). Cluster infections occurred in child-care facilities (26, 7.9%) among children and in universities (27, 3.0%) and schools (18, 2.0%) among adolescents. The number of close-contact cases was 260 (69.0%) in children and 459 (50.4%) in adolescents. Sixty of the children (18.2%) and 90 of the adolescents (9.9%) were hospitalized. One patient received mechanical ventilation, and none underwent extracorporeal membrane oxygenation. One patient was admitted to the intensive care unit; there were no deaths. These results are useful for recognizing the clinical course from transmission route to outcomes of this infection in pediatric patients.

Keywords: SARS-CoV-2; epidemiology; children; adolescents; Japan (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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