Expansion of Circulating T Follicular Helper Cells in Children with Acute Henoch-Schönlein Purpura

Table 1

Clinical characteristics and laboratory data of children with acute HSP.

	HSP	HCs
Number	22	12
Age (years)	8.27 ± 2.57	8.08 ± 2.47
Sex (M/F)	13/9	7/5
Cutaneous palpable purpura	22 (100%)	N
Abdominal pain	9 (40.9%)	N
Gastrointestinal bleeding	6 (27.3%)	N
Renal involvement	1 (4.5%)	N
WBC (×10^9)	10.40 ± 2.38	6.26 ± 1.12
Serum IgA (mg/dL)	266.50 ± 84.70	183.33 ± 55.30
Serum IgG (mg/dL)	1429.77 ± 528.59	1129.17 ± 273.19
Serum IgM (mg/dL)	173.86 ± 62.86	111.25 ± 33.66
Serum C3 (mg/dL)	135.29 ± 23.95	97.25 ± 18.94
Serum C4 (mg/dL)	37.43 ± 13.68	21.00 ± 6.28

Note: data are present as means ± standard deviation (SD). M/F: male/female; WBC: white blood cell; N: negative; HCs: healthy controls; HSP: Henoch-Schönlein purpura.