From: Predictors of exercise-induced bronchoconstriction in subjects with mild asthma
All | non-EIBa | EIBa | p | |
---|---|---|---|---|
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 |
PD20%FEV1 (mcg) | 123 (33–683) | 57 (40–273) | 170 (33–683) | ns |