Clinical Features and Outcomes of Pediatric and Adult Patients Hospitalized for Coronavirus Disease 2019: A

Grace X Li1, Komal Gopchandani1, Noah Brazer2,3

  • 1Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.

PubMed

Insights

COVID-19 outcomes varied by age. Children had lower odds of severe outcomes like oxygen need and death compared to adults. Adolescents and middle-aged adults faced the highest risks within their groups.

Area of Science:

  • Infectious Diseases
  • Pediatric Medicine
  • Public Health

Background:

  • Coronavirus disease 2019 (COVID-19) continues to pose a significant threat, causing hospitalizations and severe illness in both children and adults.
  • Understanding age-specific differences in COVID-19 severity is crucial for public health strategies.

Purpose of the Study:

  • To compare risk factors, symptoms, and clinical outcomes of COVID-19 hospitalization in children versus adults.
  • To analyze age strata within pediatric and adult populations to identify specific risk groups.

Main Methods:

  • A retrospective study of 1560 patients hospitalized with COVID-19 between March 2020 and May 2023 across 5 US sites.
  • Utilized data from the Predicting Viral-Associated Inflammatory Disease Severity in Children with Laboratory Diagnostics and Artificial Intelligence (VIDA) consortium.
  • Compared clinical outcomes using adjusted odds ratios (aOR) across pediatric (0-21 years) and adult (22-105 years) groups, and within specific age strata.

Main Results:

  • Children (n=885) were less vaccinated, more frequently infected with Omicron, and had fewer comorbidities than adults (n=675).
  • Children had significantly lower odds of requiring supplemental oxygen (aOR=0.57) and death (aOR=0.011) compared to adults.
  • Within pediatric groups, adolescents (12-17 years) showed the highest odds of requiring supplemental oxygen, high-flow oxygen, and ICU admission.
  • Among adults, those aged 50-64 years had the highest odds of mechanical ventilation and ICU admission.

Conclusions:

  • Clinical outcomes for COVID-19 demonstrate significant differences across pediatric and adult age groups.
  • Adolescents represent the most vulnerable pediatric group, while adults aged 50-64 years exhibit the highest severity among adult populations.
  • These findings highlight the need for age-tailored approaches in managing and preventing severe COVID-19.
Abstract

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