Table 1 Basline clinical data of 303 patients with lung cancer

Asian

158

145

Age (yr, mean ± SD)

69.35 ± 10.14

71.31 ± 10.71

0.104

Sex

0.479

 Male (No.)

119 (75.32%)

104 (71.72%)

 Female

39 (24.68%)

41 (28.28%)

ECOG

0.090

 0–2

144 (91.14%)

123 (84.83%)

  > 2

14 (8.86%)

22 (15.17%)

Tumor stage (%)

0.788

 I

20 (12.66%)

18 (12.41%)

 II

15 (9.49%)

16 (11.03%)

 III

112 (70.89%)

55 (37.93%)

 IV

11 (6.96%)

56 (38.62%)

Tumor type (%)

0.528

 ADC

94 (59.49%)

86 (59.31%)

 SCC

45 (28.48%)

38 (26.21%)

 SCLC

12 (7.59%)

10 (6.90%)

 others

7 (4.43%)

11 (7.59%)

Smoking status

0.764

 Never smoker

79 (50%)

70 (48.28%)

 ever smoker

79 (50%)

75 (51.72%)