Conversely, CD4-CD8- T cell absolute count (OR: 1.12, p = 0.001), CD45RA- CD4+ T cell %CD4+ T cell (OR: 1.07, p = 0.010), and hematopoietic stem cell absolute count (OR: 1.04, p = 0.008) were positively associated with GC risk. This evidence concerns the gene CD8A and gastric cancer.