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

Author

Listed:
  • 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.)

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.

Suggested Citation

  • Yusuke Katayama & Ling Zha & Tetsuhisa Kitamura & Atsushi Hirayama & Taro Takeuchi & Kenta Tanaka & Sho Komukai & Takeshi Shimazu & Tomotaka Sobue & on behalf of the COVID-19 Epidemiology Research Gro, 2021. "Characteristics and Outcomes of Pediatric COVID-19 Patients in Osaka, Japan," IJERPH, MDPI, vol. 18(11), pages 1-10, May.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:11:p:5911-:d:566341
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