Additional file 1: of The potential value of serum pepsinogen for the diagnosis of atrophic gastritis among the health check-up populations in China: a diagnostic clinical research

Datasets in more detail. The first column refers to the group: the number “0” represents the “non atrophic group (NAG)”, the number “1” represents the “mild-moderate atrophic group (MAG)”, and the number “4” represents the “severe atrophic group (SAG)”. The second column refers the age of patients. The third column refers the condition of Helicobacter pylori infection. The number “1” represents “Hp positive”, and the number “0” represents “Hp negative”. The last three columns refers the PGI levels, PGII levels and the PGI/PGII ratio. (XLS 3615 kb)