Circulating Heat Shock Protein 70 Is a Novel Biomarker for Early Diagnosis of Lung Cancer

Table 2

Summary of SN, SP, and AUC for HSP70, CEA, and CA 19-9.

	HSP70				CEA	CA 19-9
	All	ADC	SCC	Early
SN (%)	74.1	69.1	86.1	71.2	83.9	84.2
SP (%)	80.0	81.0	81.0	84.0	74.5	50.0
AUC (%)	82.2	81.0	85.9	83.8	82.0	69.5