Table 2.

Univariate Cox Proportional Hazards Model to Estimate Laryngeal Cancer Risk in the exploratory cohort.

Characteristic	P	Hazard Ratio	95% CI
-Age (above vs below the mean)	0.652	1.203	0.539 to 2.686
-Smoking (above vs below the mean)	0.41	1.4	0.629 to 3.119
-Histology (High-grade vs low-grade dysplasia)	0.499	1.517	0.452 to 5.089
-Cytoplasmic NANOG expression (Score 2 vs 0–1)	0.003	1.826	1.222 to 2.728
-Nuclear NANOG expression	0.063	2.773	0.945 to 8.134