Table 1 Control subjects and COPD patients in the study

No.

5 + 4^*

7

Age (range)

28^*

(24–34)

62

(53–66)

Pack years (range)

0^*

40

(25–60)

Gender, M/F in%

33/67

29/71

Lung function

FEV₁

4.2^*

(3.3–5.4)

0.53

(0.4–0.8)

FEV₁% predicted

102.2^*

(84–116)

19.3

(14–24)

FVC

5.1^*

(4.2–6.2)

1.8

(1.3–2.5)

FEV₁/FVC ratio

82^*

(71–93)

29

(20-35)

DLCO

-

1.4

(1.4–1.5)^§

DLCO% predicted

-

27

(21–42)^§