Table 1 Patient Characteristics

Gender

13 Male, 7 Female

12 Male, 8 Female

Age (Mean, SD)

68.1 +/- 7.2

Range 54–79

67.3 +/- 7.4

Range 58–79

Mean FEV1

95% CI

0.77 Litres

0.65–0.89

0.78 Litres

0.61–0.95

FEV1 as % predicted (Mean and SD)

29.9 (10.0)

30.6 (14.8)