did not reach statistical significancep = 0.0762
Considering the squamous cell carcinoma group, AUC of all the tested parameters was significantly larger in comparison to AUC = 0.5 (borderline of the diagnostic usefulness of the test) ( p < 0.001 in all cases), instead of adenocarcinoma group where the AUC of M-CSF did not reach statistical significance comparing to AUC = 0.5 ( p = 0.0762).