Table 2

Sensitivity (Sens), specificity (Spec), and positive (PPV) and negative (NPV) predictive values of tests for the detection of moderate (grade 2) and severe (grade 3) atrophic corpus gastritis in 207 consecutive adult patients referred for gastroscopy

%Sens%Spec%PPV%NPV
Serum pepsinogen I <28 μg/l81998798
Serum gastrin >111 pg/ml75966098
Parietal cell antibodies56965396
H pyloriantibodies (IgG and/or IgA)3858 892
CagA antibodies3164 792