Fig. 3From: Association between sex and outcomes in patients with non-small-cell lung cancer receiving combination chemoimmunotherapy as a first-line therapy: a systematic review and meta-analysis of randomized clinical trialsFunnel plot and Egger’s regression line. (a) OS in female patients. (b) OS in male patients. (c) PFS in female patients. (d) PFS in male patients. OS, overall survival; PFS, progression-free survivalBack to article page