Expression of Oct3/4 and Nanog in the head and neck squamous carcinoma cells and its clinical implications for delayed neck metastasis in stage I/II oral tongue squamous cell carcinoma

Table 4 Diagnostic performance of the risk factors in predicting DNM

	Accuracy	Sensitivity	Specificity	Positive predictive value	Negative predictive value	Odds ratio
Oct3/4	0.820	0.615	0.892	0.667	0.868	13.200
(95 % ^aCI)	(0.709–0.900)	(0.402–0.769)	(0.817–0.946)	(0.436–0.833)	(0.796–0.921)	(3.006–58.268)
Nanog	0.820	0.538	0.919	0.700	0.850	13.222
(95 % ^aCI)	(0.715–0.891)	(0.336–0.676)	(0.848–0.967)	(0.437–0.879)	(0.784–0.895)	(2.817–61.514)
Vascular invasion	0.800	0.385	0.946	0.714	0.814	10.937
(95 % ^aCI)	(0.708–0.856)	(0.208–0.492)	(0.884–0.984)	(0.387–0.913)	(0.761–0.846)	(2.003–57.951)

ISSN: 1471-2407