Review Article

Association of the Interleukin-10-592C/A Polymorphism and Cervical Cancer Risk: A Meta-Analysis

Figure 6

Trial sequential analysis for IL10-592C/A polymorphism under the genotype contrast model. The x-axis shows the number of participants (cases and controls) of the meta-analysis in each branch. The y-axis z-score shows the z-score. The red line represents the required sample size. The green line represents the conventional test boundary ().