Table 1.

Clinical features and laboratory findings of children with COVID-19.

	Value	Local normal range
Age-Median(range)	9 year (7 m–13 year)	–
Sex-Male/Female	9/10	–
Clinical features-No. (%)
Fever	7 (37%)	–
Cough	9 (47%)	–
Sore throat	5 (26%)	–
Rhinorrhea	7 (37%)	–
Pneumonia (by X-ray or CT)	11 (58%)	–
Laboratory findings-Median(range)
WBCs × 109/L	5.5 (3.2–16)	–
29 d–3 y	7.95 (6.4–8.7)	6–12
> 3 y	4.8 (3.2–16)	4–10
Hemoglobin (g/dL)	134 (4.7–168)	110–160
Platelets × 109/L	265 (128–404)	100–400
Neutrophils × 109/L	2.9 (1.15–11.2)	–
29 d–3 y	2.22 (1.67–2.90)	2.4–4.8
> 3 y	3.51 (1.15–11.2)	2.0–7.0
Neutrophils (%)	47.1 (25.3–75)	–
29 d–3 y	28.2 (25.2–43.4)	30–40
> 3 y	50.2 (27.3–75)	50–70
Lymphocytes × 109/L	2.34 (1.17–5.9)	–
29 d–3 y	5.05 (4.5–5.9)	4.0–8.4
> 3 y	2 (1.17–4)	1.2–4.0
Lymphocytes (%)	42 (17.5–69.8)	–
29 d–3 y	63.25 (48.5–69.8)	50–70
> 3 y	41 (17.5–66.9)	30–40
Procalcitonin (ng/dL)	0.04 (0.02–0.12)	< 0.05
C-reactive protein (mg/L)	5.11 (0.5–35)	< 8
IL-6 (pg/mL)	4.465 (0.91–24.77)	< 7
Erythrocyte sedimentation rate (mm/h)	14 (4–39)	0–26
Alanine transaminase (U/L)	16.5 (6.9–100)	7–50
Aspartate aminotransferase (U/L)	28.9 (15.4–142)	13–40
Urea (mmol/L)	3.6 (1.97–5.7)	2.8–7.6
Creatine kinase-MB (U/L)	21.4 (12.3–51.9)	< 25
Lactate dehydrogenase (U/L)	220 (156–383)	110–430
Myohemoglobin (μg/L)	9 (6–11)	10–46
Total protein (g/L)	74.3 (59–85.6)	60–80
Albumin (g/L)	44.9 (38.8–51.1)	40–55
Globulin (g/L)	28.6 (17.9–35.1)	20–30
IgG (g/L)	11.8 (9.9–14.5)	3.5–14.26
IgA (g/L)	1.4 (0.44–2.56)	0.06–2.5
IgM (g/L)	1.28 (0.76–2.35)	0.36–2.16
Total-IgE (IU/ml)	73.12 (7.91–1134.01)	< 100
D-dimer (mg/L)	0.58 (0.33–1.02)	0–0.5

COVID-19, Coronavirus Disease 2019; CT, computed tomography