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Table 1 Patient Characteristics (n = 626)

From: High prevalence of lung cancer in a surgical cohort of lung cancer patients a decade after smoking cessation

Demographics

Number

%

Gender

  

Male

321

51.3

Female

305

48.7

Age (Mean ± SD)

70.1 ± 10.9

 

Age (Median, Range)

71, 22-97

 

Age ≤ 70

304

48.6

Age > 70

322

51.4

Pathologic Stage

  

1

368

58.8

2

96

15.3

3

149

23.8

4

13

2.1

Years of Smoking Cessation for Former Smokers: Mean ± SD

18.1 ± 15.7

 

Years of Smoking Cessation for Former Smokers: Median, IQR

16, 3-30

 

Less than 1 year

56

13.6

1-10 years

110

26.8

11-20 years

87

21.2

21-30 years

66

16.1

31-40 years

44

10.7

41-50 years

40

9.7

51-60 years

8

1.9

Smoking Status

  

Current Smokers

71

11.3

Former Smokers

411

65.7

Never-smokers

144

23.0

Pack Year (PY)

  

0

144

23.0

1-20

117

18.7

21-50

207

33.1

51-100

131

20.9

≥ 100

27

4.3

Tumor Histology

  

Adenocarcinoma

425

67.9

Non-adenocarcinoma

201

32.1

Detailed Tumor Histology

  

Adenocarcinoma (A)

425

67.9

Adenosquamous (ASQ)

34

5.4

Squamous (SQ)

87

13.9

Bronchoalveolar (BAC)

32

5.1

Large Cell (L)

24

3.8

Small Cell (S)

14

2.2

Undifferentiated (U)

10

1.6