Ginsenoside Rg3 Serves as an Adjuvant Chemotherapeutic Agent and VEGF Inhibitor in the Treatment of Non-Small Cell Lung Cancer: A Meta-Analysis and Systematic Review

Figure 9

Forest plot of the Std. mean difference (SMD) for evaluating VEGF expression in peripheral blood of NSCLC patients at the periods before and after treatment in a random-effect model. The SMD of expression of VEGF in peripheral blood in the Rg3 and chemotherapy group was compared with that of the chemotherapy group. Individual studies are shown by the green-colored squares, and the pooled datasets are shown by the diamond, representing the 95% confidence interval (CI) of each study. SMD < 0 and < 0.05 implied a lower expression of VEGF in the experimental group. The size of each investigation represented the weighting factor (1/SE) assigned to the study.