Journal of Clinical Bioinformatics

Table 1 Patient Characteristics (N = 122)*

From: Microenvironmental genomic alterations reveal signaling networks for head and neck squamous cell carcinoma

Characteristic	Frequency, No. (%)
Sex
Men	86 (71.1)
Women	35 (28.9)
Age, mean (SD), y	58.5 (12.9)
Primary site
Oral	55 (46.6)
Pharynx	63 (53.4)
Stage
I	16 (14.5)
II	22 (200)
III	34 (30.9)
IV	38 (34.5)
Tumor Size
T1	23 (20.9)
T2	44 (40.0)
T3 or T4	43 (39.1)
Regional nodal metastases
N0	44 (39.3)
N1	24 (21.4)
N2	39 (34.8)
N3	5 (4.5)
Grade
Low G1 or 2	83 (80.6
High G3	20 (19.4)

* Data were not available for all patients.
Using laser capture microdissection, epithelium and stromal tissue compartments of squamous cell cancer lesions of head and neck from 122 samples were acquired.

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