Current views of the relationship between Helicobacter pylori and Henoch-Schonlein purpura in children

Table 1 Brief view of current clinical control studies that focusing on the relationship between Henoch-Schonlein purpura and Helicobacter pylori infection in Chinese children

Ref.	Year	Total	Healthy control	HSP	Gastrointestinal HSP	HP in HSP children (%)	HP in control (%)	Eradication therapy
Wang et al[40]	2004	65	30	35	30	22.86	3.33	Yes
Zhang et al[41]	2004	120	60	60	-	38.33	23.33	No
Lv et al[42]	2005	62	28	34	11	23.53	3.57	No
Li et al[43]	2006	270	120	150	90	60.00	44.17	Yes
Chen et al[44]	2006	62	28	34	11	23.53	3.57	No
Wang et al[45]	2007	98	30	68	36	44.12	6.67	Yes
Yuan et al[46]	2007	336	150	186	118	40.86	15.34	Yes
Li et al[47]	2008	69	30	39	-	74.36	43.33	Yes
Li et al[48]	2008	102	42	60	40	58.33	28.57	Yes
Xia et al[49]	2008	67	30	37	37	54.05	23.33	No
Gao et al[50]	2009	120	40	80	51	62.50	12.50	No

HSP: Henoch-Schonlein purpura.