Table 1.

Characteristics of Patients (n = 550)

Characteristics	No. of Patients (%)
Age (year)
<60	218 (39.6%)
≥60	332 (60.4%)
Sex
Male	447 (81.3%)
Female	103 (18.7%)
Pathologic N stage
N0	72 (13.1%)
N1	51 (9.3%)
N2	266 (48.3)
N3	161 (29.3)
Pathologic stage
I	43 (7.8%)
II	52 (9.5%)
III	455 (82.7%)
Primary tumor size
<5 cm	293 (53.3%)
≥5 cm	257 (46.7%)
Brain metastases
Yes	86 (15.6%)
No	464 (84.4%)
Response to ChT
CR	104 (18.8%)
PR	446 (81.2%)
XRT fractionation
Once Daily	209 (38.0%)
Twice Daily	341 (62.0%)

Abbreviation: ChT, chemotherapy.