Table IV. Receiver operating characteristics from IHC scores of the three proteins in distinguishing NBE from invasive LSCC individually and as a panel.

Proteins	Sensitivity	Specificity	PPV	NPV	AUC
HSPB1	0.89	0.83	0.83	0.86	0.90
GSTP1	0.77	0.89	0.77	0.82	0.89
CKB	0.79	0.83	0.77	0.83	0.89
A panel of three proteins	1.00	0.98	0.99	0.99	1.00