Fig. 5From: Efficacy of PD-1 & PD-L1 inhibitors in older adults: a meta-analysisForest plot for PFS for patients less than 65 years (A) and ≥ 65 years (B). Studies are listed on the left and HR with 95% CI are on the right. Box sizes are inversely proportional to the standard error of the study; therefore, larger boxes indicate greater weight of the trial in the meta-analysis estimationBack to article page