PVT1 and gastric cancer: Taken together, these results demonstrated that PVT1 expression was an independent prognostic indicator for DFS (HR = 2.216, 95% CI: 1.130-4.345, p = 0.021) and OS (HR = 2.092, 95% CI: 1.068-4.096, p = 0.031) in patients with gastric cancer (Table 2).