Relation between Endothelial Nitric Oxide Synthase Genotypes and Oxidative Stress Markers in Larynx Cancer

Table 1

Characteristics of patients with laryngeal carcinoma.

Parameters	Larynx cancer patients
		%
Reflux
Yes	26	44.8
No	32	55.2
Family history of any kind of cancer
Yes	17	30.9
No	38	69.1
Tumor location
Glottic	38	69.1
Supraglottic	17	30.9
Tumor grade
T1	8	14.1
T2	10	17.5
T3	30	52.6
T4	9	15.8
Lymph node
N0	36	62.1
N1	20	34.5
N2	2	3.4
Metastasis
Yes	1	1.8
No	54	98.2
Differentiation
Poor	8	14
Medium	38	66.7
Well	11	19.3
Tumor recurrence
Yes	8	13.8
No	50	86.2