Table 3.

Univariate analysis and multivariate analysis for prognostic factors in NPC patients

Variables	Univariate analysis			Multivariate analysis
	RR	95% CI	P value	RR	95% CI	P value
ZFX expression	2.234	1.057-4.723	0.035	2.174	1.013-4.664	0.046
Age	2.867	1.430-5.746	0.003	2.308	1.135-4.694	0.021
Gender	0.983	0.442-2.189	0.967
T classification	1.494	0.455-4.905	0.508
N classification	2.129	1.058-4.282	0.034	0.925	0.255-3.362	0.906
Clinical stage	3.833	1.167-12.593	0.027	2.207	1.083-4.498	0.029