Table 1 Patient characteristics and treatment factors (n = 370)

Gender

Male

273 (73.8)

Female

97 (26.2)

Age (yr)

Median

50

Range

9–79

WHO histologic type

I

3 (0.8)

II

76 (20.5)

III

285 (77)

Others^a

6 (1.7)

Tumor classification

T1-2

198 (53.5)

T3-4

172 (46.5)

Node classification

N0-1

139 (37.5)

N2-3

231 (62.5)

Stage

I/II

69 (17.2)

III/IV

301 (82.8)

Treatment factors

IMRT treatment duration (days)

Median (range)

45 (40–58)

RT alone

29 (7.8)

Chemotherapy

341 (92.2)