Table 1 Patient characteristics

Patients, n

96

Median follow-up (days)

1399 (19–3433)

Vital status

 Dead

31 (32.3%)

 Alive

65 (67.7%)

Age (years)

 Median

68

 Range

43–85

Gender

 Male

 Female

67 (69.8%)

29 (30.2%)

Clinical stage

 0

 I

 II

 III

 IV

5 (5.2%)

55 (57.3%)

18 (18.8%)

13 (13.5%)

5 (5.2%)

Tumor site

RUL

RML

RLL

LUL

LLL

L Lingula

33 (34.4%)

9 (9.4%)

12 (12.5%)

25 (26.0%)

16 (16.7%)

1 (1.0%)

Smoking status

Nonsmoker

Former

Current

21 (21.9%)

53 (55.2%)

22 (22.9%)

Mutation status (EGFR)

Wild type

Mutated

Unknown

63 (65.6%)

22 (22.9%)

11 (11.5%)

Mutation status (KRAS)

Wild type

Mutated

Unknown

61 (63.5%)

19 (19.8%)

16 (16.7%)