Figure 2. The correlation between the expression of HLA-DPA1 and demographic indicators in LUAD. (A) The expression of HLA-DPA1 in LUAD; its correlation with (B) Gender; (C) Race; (D) Age; (E) Smoking; (F) Clinical stage; (G) Tissue type; (H) Lymph node metastasis. Abbreviation: LUAD: lung adenocarcinoma; *P < 0.05; **P < 0.01; ***P < 0.001.