Fig. 5
Meta-analysis of recurrence rate of patients with E75 vaccine: STATA 15.0 was used to analyze the 10 clinical studies. The relative risk (RR) value and the 95% confidence interval (CI) were used to describe the effect of the vaccine on vaccinated and control patients. Heterogeneity was tested using the Q measurement method (P = 0.955) and the I2 measurement method (I2 = 0.0%). A meta-analysis of the recurrence rate of 1517 patients in the vaccinated group and 1217 patients in the control group showed that the recurrence rate was different between the two groups (P < 0.05)