FIGURE 2.

Differences in the neutrophil‐to‐lymphocyte ratio (NLR) of peripheral blood mononuclear cells between lung cancer patients and healthy controls. (a) Correlations between monocyte and neutrophil counts in lung cancer patients. The efficacy of their combination as a clinical diagnostic index was determined using receiver‐operating characteristic (ROC) curves. SPSS 27.0 software was used for the analysis. (b) Differences in neutrophil counts, lymphocyte counts, and the NLR between lung cancer patients and healthy controls. (c) The efficacy of neutrophil counts, lymphocyte counts, and the NLR as clinical diagnostic indices was determined using ROC curves and analyzed using SPSS 27.0 software. (d) Correlations between liver metastasis, neutrophil and lymphocyte counts, and the NLR in lung cancer patients. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001