Meta-analysis performed in a fixed-effect model (I2 = 0.0%, P = 0.823) showed that high expression level of lncRNA PVT1 was associated with poorer DFS for GC patients (HR = 1.74, 95% CI: 1.44~2.08, P = 0.000) (Figure 6). The gene discussed is PVT1; the disease is gastric cancer.