Table 1 Anthropometric and baseline functional respiratory parameters obtained for all asthmatic subjects and those divided according to the absence (non-EIBa) or presence (EIBa) of exercise-induced bronchoconstriction

Subjects (n)

19

7

12

ns

Sex (m-f)

9-10

5-2

4-8

ns

Age (yrs)

27 ± 10

28 ± 8

27 ± 11

ns

Weight (kg)

68 ± 11

72 ± 13

66 ± 10

ns

Height (m)

1.71 ± 0.09

1.75 ± 0.09

1.69 ± 0.09

ns

BMI (kg/m²)

23 ± 4

23 ± 2

23 ± 5

ns

VC (% pred)

108 ± 8

107 ± 8

109 ± 9

ns

FVC (% pred)

109 ± 8

110 ± 8

108 ± 9

ns

IC (% pred)

100 ± 15

107 ± 11

96 ± 16

ns

FEV1 (% pred)

103 ± 8

105 ± 11

102 ± 7

ns

FEV1 /VC (% pred)

96 ± 7

97 ± 6

95 ± 8

ns

PEF (% pred)

96 ± 13

101 ± 13

94 ± 12

ns

FEF 25–75 % (% pred)

83 ± 20

88 ± 22

78 ± 19

ns

RV (% pred)

105 ± 32

100 ± 22

108 ± 36

ns

FRC (% pred)

108 ± 31

98 ± 25

113 ± 33

ns

TLC (% pred)

107 ± 11

104 ± 4

109 ± 13

ns

RV/TLC (% pred)

96 ± 21

94 ± 21

97 ± 22

ns

FRC/TLC (% pred)

100 ± 21

91 ± 19

105 ± 21

ns

PD_20%FEV₁ (mcg)

123 (33–683)

57 (40–273)

170 (33–683)

ns