Fig. 1

Comparing subsets of peripheral lymphocytes between patients with a advanced NSCLC and healthy volunteers, b age < 60 and age ≥ 60, c male and female, d ADs and SCCs, e well/moderate differentiation and poor differentiation, f stage III and stage IV, g ever smokers and never smokers, and h PS 0 and PS 1–2. Data are presented as mean ± SD. The Student’s t-test was used for comparison of immune cells between two groups. *P < 0.05, **P < 0.01, ***P < 0.001