Discriminative Performance of Serologic Biomarkers in Autoimmune Gastritis – A Systematic Review and Meta-analysis

Study designs to be included All case-control, cross-sectional, cohort, randomized control, prospective, or retrospective studies.Eligibility criteria Studies were included if there was a cohort of biopsy proven AIG with appropriate non-diseased control group of adult patients and measured at least one biomarker -PCA, IF-Ab, gastrin, CgA, PGI, or PGI/PGII.Information sources Comprehensive search strategies in accordance with PRISMA 2020 guidelines.Searches were performed on March 12,