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Table 1 Demographic characteristics of studied groups.

From: Exhaled volatile organic compounds in patients with non-small cell lung cancer: cross sectional and nested short-term follow-up study

 

NSCLC

COPD

Controls

Smokers

Subjects (n°)

36

25

50

35

Age (median, years)

67.2

70.2

55.7

54.1

Sex (male/female)

28/8

18/7

27/23

30/5

Current smokers

2

1

0

35

Ex smokers

28

21

0

0

Ever smokers

6

3

50

0

*Pack-years

20

20

n.a.

25 ± 2.6

FEV1 (% predicted)

69.8 ± 15.2

61.7 ± 13.4

105.6 ± 9.1

101.8 ± 10.2

  1. The ex-smokers subjects had stopped smoking for at least one year. * Pack-years (mean ± SD) among current smokers. NSCLC = non-small cell lung cancer; COPD = chronic obstructive pulmonary disease; n.a. = not applicable.
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Respiratory Research

ISSN: 1465-993X

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