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Table 2 Parameters obtained during CPExT at the peak of exercise and values of IC at rest (bas.) and prefixed percentages of workload during exercise for all asthmatic subjects and those divided according to the absence (non-EIBa) or presence (EIBa) of exercise-induced bronchoconstriction

From: Predictors of exercise-induced bronchoconstriction in subjects with mild asthma

 

All

non-EIBa

EIBa

p

Work peak (% pred)

104 ± 20

110 ± 15

100 ± 22

ns

VO2 peak (% pred)

99 ± 13

104 ± 15

96 ± 11

ns

HR peak (% pred)

91 ± 9

92 ± 11

90 ± 8

ns

VE peak (% pred)

53 ± 10

53 ± 12

52 ± 9

ns

RR peak (br/min)

35 ± 7

33 ± 6

37 ± 7

ns

Vt peak (L)

1.6 ± 0.4

1.6 ± 0.3

1.6 ± 0.5

ns

IC baseline (L)

3.04 ± 0.54

3.19 ± 0.66

2.95 ± 0.45

ns

IC 33% Work peak (L)

3.03 ± 0.56

3.28 ± 0.71

2.88 ± 0.40

ns

IC 66% Work peak (L)

3.02 ± 0.61

3.34 ± 0.81

2.82 ± 0.35

ns

IC 99% Work peak (L)

3.06 ± 0.72

3.46 ± 0.94

2.81 ± 0.44

ns

  1. VO2 oxygen consumption, HR heart rate, VE minute ventilation, RR respiratory rate, Vt tidal volume, IC inspiratory capacity
  2. Data are mean ± SD