Table 1 Sociodemographic patient and disease characteristics

Sex

 Male

269 (78.4%)

 Female

74 (21.6%)

Age

Mean (SD): 67.2 (10.7)

Pack years

Mean (SD): 38.2 (25.1)

UICC stage (7th edition)

 IIIA

174 (50.1%)

 IIIB

173 (49.9%)

Histology^a

 Adenocarcinoma

134 (39.2%)

 Squamous cell carcinoma

193 (56.4%)

Grading

 1

7 (2.0%)

 2

104 (30.0%)

 3

120 (34.6%)

 4

5 (1.4%)

 na^b

111 (32.0%)

T stage

 T1

32 (9.2%)

 T2

63 (18.2%)

 T3

106 (30.5%)

 T4

144 (41.5%)

 TX

2 (0.6%)

N stage

 N0

32 (9.2%)

 N1

42 (12.1%)

 N2

172 (49.7%)

 N3

97 (28%)

 NX

3 (0.9%)

Sequential chemotherapy

 Yes

96 (28.0%)

 No

247 (72.0%)

Dose

Mean (SD):

63.5 (5.4)