Fig. 1
From: Helicobacter pylori in early childhood and asthma in adolescence
Serum levels of IgG antibodies against Helicobacter pylori at 10 years of age in a group of 197 children followed from 2 to 16 years of age in relation to presence (1 = Red) or absence (0 = Blue) of current asthma at the age of 16. The two children with current asthma and positive Hp IgG at 10 years were Hp negative and Hp borderline at 2 years, respectively. Anti-Hp IgG: negative (< 17), borderline (17–22), positive (≥ 23). All given in arbitrary units (AU)