GPX8 and gastric adenocarcinoma: Consistently, the results in Table 1 revealed that STAD patients from the TCGA database with high GPX8 expression exhibited lower OS (HR = 1.268 [1.083–1.484], P = .003) and DFS rates (HR = 1.513 [1.015–2.011], P = .048) than those with a low GPX8 expression.