Table 3. Multivariate analysis of prognostic factors for patients with nasopharyngeal carcinoma.

Endpoint	Variable	B	P-value	Exp(B)	95% CI for Exp(B)
Death	N category	0.526	0.000	1.692	1.454–1.969
	T category	0.509	0.000	1.663	1.295–2.137
	Post-treatment LDH	1.259	0.002	3.522	1.606–7.723
	Age	0.427	0.040	1.533	1.019–2.306
Disease progress	N category	0.339	0.000	1.404	1.260–1.563
	T category	0.215	0.004	1.240	1.073–1.432
	Post-treatment LDH	0.831	0.005	2.296	1.278–4.127
	Pre-treatment LDH	0.454	0.032	1.575	1.039–2.388
Distant failure*	N category	0.421	0.000	1.523	1.336–1.737
	T category	0.270	0.005	1.310	1.085–1.582
	Post-treatment LDH	0.979	0.005	2.662	1.347–5.264
	Pre-treatment LDH	0.571	0.023	1.770	1.082–2.894
Local failure	WHO histological type	−0.744	0.004	0.475	0.285–0.792

CI, confidence interval; LDH, lactate dehydrogenase; WHO, World Health Organization.

^*According to the 7^th AJCC/UICC staging system.