HPV Infection and Prognostic Factors of Tongue Squamous Cell Carcinoma in Different Ethnic Groups from Geographically Closed Cohort in Xinjiang, China

Table 5

Multivariate analysis of prognosis in 63 cases of tongue squamous cell carcinoma.

	Coefficient	Standard error			RR	95.0% CI
						Lower	Upper
N staging	1.264	0.433	8.509	0.004	3.538	1.514	8.271
HPV infection		0.483	6.898	0.009	0.281	0.109	0.725