Figure 4. Meta-analysis of HYDIN mutations and overall survival. (A) Forest plot of the relationship between HYDIN mutations and overall survival in melanoma. (B) Sensitivity analysis of overall survival. HR, Hazard ratio; CL, Confidence interval; anti-CTLA4, anti-cytotoxic T-lymphocyte associated protein 4; Anti-PD-1, anti-programmed cell death protein 1.