TABLE 1.

Patient and Tumor Characteristics of 79 Head and Neck Cancer Patients

	n	Median	Mean ± SD	Range
Age (y)	79	59.0	58.8 ± 9.9	31–86
Smoking (pack-years)	77	35.0	35.6 ± 26.6	0–120
Gross tumor volume (mL), primary
Overall	79	20.2	32.9 ± 36.0	1.5–177.9
Oropharyngeal	33	17.4	28.1 ± 26.6	1.5–108.2
Larynx	24	11.1	23.5 ± 33.9	3.3–162.5
Hypopharyngeal	9	35.0	42.2 ± 26.5	9.1–99.2
Oral cavity	7	64.6	84.9 ± 60.7	32.0–177.9
Nasopharyngeal	6	22.6	22.3 ± 13.1	8.0–39.5
Gross tumor volume (mL), nodal	54	14.3	34.0 ± 45.8	0.6–214.0
Gross tumor volume (mL), total	79	39.3	56.1 ± 53.2	3.8–258.3
Follow-up (mo)
Overall study follow-up	79	27.1	30.1 ± 19.5	3.0–78.5
Surviving patients	53	30.0	33.8 ± 19.9	4.9–78.5
			n (%)
Pathology
Squamous cell carcinoma			71 (89.9)
Other			8 (10.1)
AJCC Stage
I			6 (7.6)
II			5 (6.3)
III			12 (15.2)
IV			56 (70.9)
Tumor category
T1			11 (13.9)
T2			19 (24.0)
T3			25 (31.7)
T4			24 (30.4)
Nodal category
N0			25 (31.7)
N1			7 (8.9)
N2			39 (49.4)
N3			8 (10.1)

AJCC indicates American Joint Committee on Cancer; n, number of patients.