Fig. 2

Expression and diagnosis value of the four candidate biomarkers in gastric cancer and normal control tissues. * P < 0.05, ** P < 0.01, *** P < 0.001. A: STAD dataset from The Cancer Genome Atlas database; B: Merged datasets of GSE27342, GSE54129 and GSE66229 datasets from the Gene Expression Omnibus (GEO) database. C: STAD dataset from The Cancer Genome Atlas database; D: Merged dataset of GSE27342, GSE54129 and GSE66229 datasets from the Gene Expression Omnibus (GEO) database; AUC: area under the curve