Table 5.

Adjusted hazard ratio (HR) of determining factors associated with disease failure of patients with head and neck squamous cell carcinoma (HNSCC).

Variable	HR	95% CI	p-Value
Age
<50	Ref
≥50	1.26	0.8–1.99	0.314
Differentiation
Well–Moderately differentiated	Ref
Poorly differentiated	0.87	0.52–0.47	0.61
Clinical T stage
≤T2	Ref
T3–T4	0.94	0.61–1.45	0.77
Clinical N stage
N 0	Ref
N (+)	1.6	0.99–2.58	0.057
NLR
< 3	Ref
≥ 3	2.71	1.69–4.38	<0.001 *
Treatment
Definite CCRT	Ref
Surgery +/− neoadjuvant/adjuvant Tx	0.37	0.22–0.63	<0.001 *

*: Statistically significant covariate.