Table 4.

Multivariate analysis with Cox proportional hazards model on risk factors for prognosis of NPC patients.

Factor	SE	Wald	p	EXP(B)	95% CI
					Upper limit	Lower limit
Age	0.145	0.014	0.905	1.017	0.765	1.353
Gender	0.146	0.416	0.519	1.099	0.826	1.462
Pathological staging	0.148	0.143	0.705	0.945	0.707	1.264
T-staging	0.189	3.276	0.070	1.408	0.972	2.039
N-staging	0.184	0.111	0.740	1.063	0.742	1.523
Clinical staging	0.182	0.148	0.700	1.073	0.751	1.533
Distant metastasis	0.069	4.087	0.043	1.150	1.004	1.316
AKT expression	0.185	5.499	0.019	1.543	1.074	2.217
mTOR expression	0.261	10.907	0.001	2.365	1.419	3.943
P70S6K expression	0.178	7.610	0.006	1.635	1.153	2.318

NPC, nasopharyngeal carcinoma; mTOR, mammalian target of rapamycin; P70S6K, p70 ribosomal S6 kinase; SE, standard error; CI, confidence interval.