Factors Associated With Severe Illness in Patients Aged <21 Years Hospitalized for COVID-19

Rewa Choudhary, Bryant J. Webber, Lindsay S. Womack, Hannah K. Dupont, Sophia K. Chiu, Valentine Wanga, Megan E. Gerdes, Sophia Hsu, Dallas S. Shi, Theresa M. Dulski, Osatohamwen I. Idubor, Arthur M. Wendel, Nickolas T. Agathis, Kristi Anderson, Tricia Boyles, Eleanor S. Click, Juliana Da Silva, Mary E. Evans, Jeremy A.W. Gold, Julia C. HastonPamela Logan, Susan A. Maloney, Marisol Martinez, Pavithra Natarajan, Kevin B. Spicer, Mark Swancutt, Valerie A. Stevens, Jessica Rogers-Brown, Gyan Chandra, Megan Light, Frederick E. Barr, Jessica Snowden, Larry K. Kociolek, Matthew McHugh, David L. Wessel, Joelle N. Simpson, Kathleen C. Gorman, Kristen A. Breslin, Roberta L. DeBiasi, Aaron Thompson, Mark W. Kline, Julie A. Boom, Ila R. Singh, Michael Dowlin, Mark Wietecha, Beth Schweitzer, Sapna Bamrah Morris, Emilia H. Koumans, Jean Y. Ko, David A. Siegel, Anne A. Kimball

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

OBJECTIVES: To describe coronavirus disease 2019 (COVID-19)-related pediatric hospitalizations during a period of B.1.617.2 (D) variant predominance and to determine age-specific factors associated with severe illness. METHODS: We abstracted data from medical charts to conduct a cross-sectional study of patients aged <21 years hospitalized at 6 United States children's hospitals from July to August 2021 for COVID-19 or with an incidental positive severe acute respiratory syndrome coronavirus 2 test. Among patients with COVID-19, we assessed factors associated with severe illness by calculating age-stratified prevalence ratios (PR). We defined severe illness as receiving high-flow nasal cannula, positive airway pressure, or invasive mechanical ventilation. RESULTS: Of 947 hospitalized patients, 759 (80.1%) had COVID-19, of whom 287 (37.8%) had severe illness. Factors associated with severe illness included coinfection with respiratory syncytial virus (RSV) (PR 3.64) and bacteria (PR 1.88) in infants; RSV coinfection in patients aged 1 to 4 years (PR 1.96); and obesity in patients aged 5 to 11 (PR 2.20) and 12 to 17 years (PR 2.48). Having $2 underlying medical conditions was associated with severe illness in patients aged <1 (PR 1.82), 5 to 11 (PR 3.72), and 12 to 17 years (PR 3.19). CONCLUSIONS: Among patients hospitalized for COVID-19, factors associated with severe illness included RSV coinfection in those aged <5 years, obesity in those aged 5 to 17 years, and other underlying conditions for all age groups <18 years. These findings can inform pediatric practice, risk communication, and prevention strategies, including vaccination against COVID-19.

Original languageEnglish (US)
Pages (from-to)760-771
Number of pages12
JournalHospital Pediatrics
Volume12
Issue number9
DOIs
StatePublished - Sep 2022
Externally publishedYes

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Pediatrics

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