Figure 2: Incidence of endoscopic gastric mucosal atrophy in Hp-/IgG-, HP+/IgG+, Hp-/IgG+ and Hp+/IgG- groups (A) and the percentage of four groups (Hp-/IgG-, HP+/IgG+, Hp-/IgG+ and Hp+/IgG-) in different gastric mucosal atrophy grade (B). Abbreviations same as Figure 1.