Clinical Outcomes and Prognostic Factors of 695 Nasopharyngeal Carcinoma Patients Treated with Intensity-Modulated Radiotherapy

Table 7

Multivariate prognostic analysis.

Prognostic factors	LC		OS
	HR		HR
T stage	4.592	<0.001	0.955	0.061
N stage	0.662	0.098	5.258	<0.001
GTVnx volume	1.825	0.064	3.846	<0.001
Radiotherapy interruption	5.481	<0.001	4.233	<0.001
HGB	0.339	0.463	1.905	0.002
Percentage of weight loss	0.229	0.621	1.018	0.033
Chemo. or not	0.683	0.221	4.353	<0.001

HGB: hemoglobin; LC: local-regional control rates; OS: overall survival rate; HR: hazards ratio.