Table 1 Characteristics of 154 patients included in the study

From: Mutations in the epidermal growth factor receptor gene are linked to smoking-independent, lung adenocarcinoma

Patients characteristics

 

Age (year)

 Median (range)

68 (31–83)

Gender (no.)

 Female (%)

60 (39.0%)

 Male (%)

94 (61.0%)

Smoking status (no.)

 Non smoker (%)

56 (36.4%)

 Smoker (%)

98 (63.6%)

Former

29

Current

69

Pack-year of smokers (pack-year)

 All smokers

 

Median (range)

48 (2–250)

 Former

 

Median (range)

30 (2–105)

 Current

 

Median (range)

51 (6–250)

Tumour histology (no.)

 Adenocarcinoma

108 (70.1%)

 Squamous cell

31 (20.1%)

 Large cell

9 (5.9%)

 Other histologies

6 (3.9%)

Pathological stage (no.)

 IA

63 (41.3%)

 IB

38 (24.5%)

 IIA

4 (2.6%)

 IIB

11 (7.1%)

 IIIA

26 (16.8%)

 IIIB

10 (6.4%)

 IV

2 (1.3%)