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Table 3 Meta-analysis of odds ratios for signs, symptoms, and conditions in non-hospitalized children with COVID-19 compared to negative controls, with comorbidity-matched subgroup analysis

From: The burden of persistent symptoms after COVID-19 (long COVID): a meta-analysis of controlled studies in children and adults

Sign/Symptom/Condition

Overall

Matched comorbidity

Studies No

Pooled odds ratio (95% CI)

I2%

Studies No

Pooled odds ratio (95% CI)

I2%

Abdominal pain

4

0.99 (0.74–1.33)

93.1

–

–

–

Sore throat

5

1.22 (1.01–1.48)

67.6

3

1.30 (0.84–2.02)

72.5

Fatigue

4

1.84 (1.56–2.16)

66

–

–

–

Headache

6

1.24 (0.89–1.73)

94.5

3

0.88 (0.78–0.98)

0

Fever

3

0.96 (0.76–1.21)

0

–

–

–

Dizziness

5

1.41 (1.08–1.85)

81.5

3

0.97 (0.76–1.22)

0.46

Anosmia

3

10.45 (7.46–14.62)

0

–

–

–

Congested or runny nose

4

0.68 (0.40–1.16)

0

3

0.65 (0.36–1.17)

0

Cough

6

0.97 (0.88–1.08)

0

3

0.91 (0.83–1.00)

0

Dyspnea

5

1.56 (0.97–2.51)

96.7

3

0.90 (0.75–1.08)

8.7

Anxiety

3

0.80 (0.64–1.01)

0

–

–

–

Brain fog

5

1.63 (1.24–2.15)

51

3

1.10 (0.54–2.23)

0.1

Chest pain

4

1.25 (0.70–2.21)

92.8

3

0.88 (0.76–1.03)

0

Myalgia/arthralgia

7

1.21 (0.75–1.95)

92.6

5

0.83 (0.61–1.12)

13.9

  1. No. number, CI confidence interval