Determination of Tumor Marker Screening for Lung Cancer Using ROC Curves

Table 9

Implications for optimal marker combinations for lung cancer screening by ROC curves and logistic regression analysis.

Factors	Cutoff	SEN	SPE	AUC	P
CEA + CA125	0.447	0.676	0.846	0.821	<0.001
CEA + NSE	0.393	0.645	0.766	0.723	<0.001