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Table 3 Comparison of incidence of clinical characteristics between children with COVID-19, general population with COVID-19, children with SARS and children with H1N1 influenza

From: Children with COVID-19 behaving milder may challenge the public policies: a systematic review and meta-analysis

  Children with COVID-19 General population with COVID-19 [41] Children with SARS [42] Children with H1N1 influenza [43]
Age(y-old) 5.5(3.44–7.65) 51.97 (46.06–57.89) 12.2 5
Male 53.6% (49.4–57.7) 55.9% (51.6–60.1) 45.5% 54.7%
Asymptomatic 18.9% (12.1–26.6) 0 < 6.1%
Fever 52.7% (44.3–61.0) 88.7% (84.5–92.9) 100% 93.9%
Cough 41.9% (35.7–48.1) 57.6% (40.8–74.4) 63.6% 88.5%
Sore throat 5.0% (0.6–11.8) 11.0% (2.8–19.2) 13.6% 19.6%
Diarrhea 4.2% (1.8–7.3) 6.1% (2.4–9.7) 20.5% 6.1%
Tachypnea/Dyspnea 2.5% (1.6–4.8) 45.6% (10.9–80.4) 9.1%
Leucopenia 10.0% (4.5–16.7) 18.7% (8.5–28.8) 34.1% 16.9%
Lymphopenia 10.8% (3.9–19.7) 43.1% (18.9–67.3) 77.3% 34.5%
Ground-glass opacity 35.7% (31.0–40.5) 68.5% (51.8–85.2)
Comorbidities 3% (11/361) 36.8% (24.7–48.9) 11.4% 14.9%
ICU admission 0.1% (0.0–1.3) 20.3% (10.0–30.6%) 11.4% 19.6%
Death 0 (0.0–0.0) 13.9% (6.2–21.5) 0 2%
N 4300 2874 44 148
  1. Note: The results of characteristics of COVID-19 in children and general population were presented with pooled incidence and 95% CI, characteristics of “comorbidities” in children with COVID-19 were presented with incidence(n/N) due to insufficient data
  2. No meta-analysis results of characteristics of children with SARS and H1N1 influenza were found, incidence(n/N) was presented as a substitute
  3. “-”: not available