Table 1 The demographic and clinical characteristics of participants

Age, year

7 (3–13)

6 (2–14)

Female/Male

14/13

7/8

WBC, 10⁹/L

9.32 (4.23–19.33)*

7.5 (5.31–9.28)

Lymphocytes, 10⁶/L

3.96 (1.1–5.54)

3.57 (1.46–4.07)

Platelet, g/L

303 (188–463)*

298 (172–404)

Serum IgA, g/L

2.14 (0.95–5.91)*

1.47 (0.91–4.03)

Serum IgG, g/L

10.5 (0.95–17.4)

9.28 (1.03–15.22)

Serum IgM, g/L

1.18 (0.7–3.22)

1.07 (0.65–3.51)

Serum IgE, g/L

54.6 (16.7–657)*

22.1 (17.1–77.4)

Serum C3, g/L

1.29 (0.89–1.63)

1.35 (0.91–1.68)

Serum C4, g/L

0.34 (0.18–0.45)*

0.23 (0.16–0.41)

Serum CRP (mg/L)

7.23 (1.16–72.54)*

3.5 (0.82–5.1)