Lack of specific association between gastric autoimmunity hallmarks and clinical presentations of atrophic body gastritis

Figure 2 Intrinsic factor antibodies (IFA) in 140 patients with atrophic body gastritis. H pylori negative at histology and serology (n = 33), H pylori negative at histology and positive at serology (n = 76), H pylori positive at histology and serology (n = 31). Broken line indicates cut-off (>2 U/mL positive); bar indicates mean; ¹P = 0.01 vs group III; ²P = 0.004 vs group III; ^aP < 0.05 vs group III, Fisher’s test.