Risk factors for severe disease and mortality in children with COVID-19

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BackgroundPediatric COVID-19 patients have lower rates of hospitalization and fatal outcomes compared to adults with COVID-19; however, children represent a challenge in the detection, diagnosis, and treatment of COVID-19. Our aim was to determine the risk factors for hospital admission, invasive mechanical ventilation, and mortality in pediatric COVID-19 patients in Mexico during the COVID-19 pandemic. Material and methodsA retrospective cohort of pediatric patients with COVID-19 from February 2020 to April 2021 was reported on the National Epidemiological Surveillance System for Viral Respiratory Disease (SISVER) platform. ResultsAmong the 104,133 patients included in our study, 6214 were hospitalized, and 621 patients underwent invasive mechanical ventilation. A total of 0.65 % died during hospitalization. Children aged <12 months (odds ratio [OR]: 17.1; 95 % confidence interval [CI]: 15.9–19.4, p < 0.001), 1–4 years (OR: 3.69; 95 % CI: 3.2–4.1, p < 0.001), 5–9 years (OR: 1.86; 95 % CI: 1.66–2.08, p < 0.001), and 10–14 years (OR: 1.23; 95 % CI: 1.11–1.37, p < 0.001), and those diagnosed with diabetes (OR: 2.32; 95 % CI 1.68–3.20, p < 0.001) and obesity (OR: 1.24; 95 % CI 1.04–1.48, p = 0.015) were associated with hospital admission. Renal disease (OR: 3.85; 95 % CI: 2.25–6.59, p < 0.001) was associated with invasive mechanical ventilation. Pneumonia (OR: 15.9; 95 % CI: 12.6–20.1, p < 0.001) and renal disease (OR: 3.85; 95 % CI: 2.25–6.59, p value < 0.001) were associated with death. ConclusionPneumonia increases the risk of death. The youngest age group has a higher risk of hospital admission. Comorbidities such as renal disease or immunosuppression increase the risk of death in all age groups.