Table 1 Subject characteristics and maximal exercise data (means ± SD)

M:F

15:9

12:5

Age (years)

37 ± 16

54 ± 15

Height (cm)

173.5 ± 10

171.6 ± 7

Weight (kg)

70.3 ± 13.5

91.6 ± 24.3

FVC (L)

5.33 ± 1.24

3.23 ± 0.64

FEV₁ (L)

4.37 ± 0.94

2.09 ± 0.74

FEV₁/FVC

0⋅82 ± 0⋅04

0⋅64 ± 0⋅16

\( \overset{.}{V}{O}_{\mathsf{2}} \) (%predicted)^a

105 ± 15

69 ± 13

\( \overset{.}{V}{O}_{\mathsf{2}} \) (L· min⁻¹)

2.72 ± 1.01

1.53 ± 0.31

\( {\overset{.}{V}}_E \) (L· min⁻¹)

113 ± 34

53 ± 10

\( {\overset{.}{V}}_E \)/35·FEV₁

0⋅88 ± 0⋅28^a

0⋅79 ± 0⋅24

Pulse (%predicted)

100 ± 6

80 ± 10