Table 1 COPD patients and control subjects in the study

No.

8 + 4*

9

Age (range)

29*

(23–41)

62

(53–66)

Pack years (range)

1*

(0–8)

39

(25–60)

Gender, M/F in %

42/58

33/67

Lung function

FEV₁

4.1*

(3.2–5.4)

0.55

(0.4–0.9)

FEV₁ % predicted

102.6*

(84–116)

19.3

(14–24)

FVC

5.0*

(4.0–6.4)

2.0

(1.3–2.8)

FEV₁ % predicted/FVC

21*

(17–25)

30

(20–39)

DLco

m

1.4

(1.4–1.5)^†

DLco % predicted

m

24

(14–42)^§