Table 1 Characteristics of 222 patients with Non-small cell lung cancer

Age

≥65

154 (69.4 %)

<65

68 (30.6 %)

Gender

Male

142 (63.9 %)

Female

80 (36.1 %)

^aSmoking status

Current

67 (30.1 %)

Former

101 (45.5 %)

Never

23 (10.4 %)

unknown

31 (14 %)

^aAsbestos contact

Present

17 (7.7 %)

Absent

49 (22.1 %)

^aCOPD

Present

43 (15.3 %)

Absent

5 (2.3 %)

Histologic type

ADC

110 (49.5 %)

SCC

94 (42.3 %)

LCC

9 (4.1 %)

Other

9 (4.1 %)

Tumor size

T1

43 (19.4 %)

T2

125 (56.3 %)

T3

32 (14,4 %)

T4

22 (9.9 %)

Lymph node status

N0

106 (47.7 %)

N1

52 (23.4 %)

N2

47 (21.2 %)

N3

17 (7.7 %)

Stage

I

72 (32.4 %)

II

61 (27.5 %)

III

79 (35.6 %)

IV

10 (4.5 %)