Fig. 4From: CD137+ and regulatory T cells as independent prognostic factors of survival in advanced non-oncogene addicted NSCLC patients treated with immunotherapy as first-lineKaplan -Meier curves for PFS and OS were used to determine 1.29%, 0.65%, 0.7%, 0.71% as the cut-off of CD137+, CD137+ PD1+, CD137+CD8+, and CD8+CD137+ PD1+ T cells. Long-rack test was used to analyze the differences between the two groups m = months, p values < 0.05 were considered significantBack to article page