Table 6.

Sensitivity and Specificity of Serum Markers in the Lung Cancer Group by Single Detection

	Sensitivity (%)	Specificity (%)	AUC	Cut-off	P	95% CI
CEA	54.6	87.5	0.701	7.15	<0.001	0.604–0.798
CRP	81.8	66.8	0.795	8.27	<0.001	0.698–0.891
SF	65.2	87.5	0.788	139.03	<0.001	0.699–0.877