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Table 4 Pre-/post-training measurements during constant-work-rate test at 70% of peak work rate for O2+ and AMB groups

From: High-intensity interval training accelerates oxygen uptake kinetics and improves exercise tolerance for individuals with cystic fibrosis

 O2+AMBTimeGroup
x
Time
PrePostPrePostPP
Baseline V̇O2 (L.min− 1)0.40 ± 0.070.41 ± 0.080.37 ± 0.060.37 ± 0.100.8640.924
V̇O2 MRT (s)61 ± 651 ± 1464 ± 1858 ± 290.1680.699
V̇O2 amplitude (L.min− 1)1.03 ± 0.410.99 ± 0.441.09 ± 0.581.06 ± 0.590.2110.830
∆V̇O2 (6-3) (L.min− 1)0.11 ± 0.070.14 ± 0.140.11 ± 0.070.05 ± 0.080.6250.068
Isotime V̇E (L.min− 1)58 ± 1748 ± 1246 ± 845 ± 100.006*0.026*
Isotime VT (L)1.5 ± 0.71.4 ± 0.61.6 ± 0.91.5 ± 0.90.0540.281
Isotime BR (br.min− 1)42 ± 836 ± 736 ± 1437 ± 160.041*0.006*
Isotime SpO2%90 ± 691 ± 490 ± 989 ± 70.6680.413
Isotime [lactate] (mmol. L− 1)6.3 ± 1.44.5 ± 0.95.2 ± 1.44.5 ± 0.60.003*0.102
Isotime RPE14.4 ± 1.911.8 ± 1.813.8 ± 1.514.8 ± 2.90.2130.018*
Isotime dyspnea5.0 ± 1.94.0 ± 1.04.0 ± 1.24.5 ± 1.70.6010.145
Limit of tolerance (min)11 ± 225 ± 612 ± 618 ± 110.002*0.143
  1. Values are presented as mean ± SD. MRT Mean response time, ∆V̇O2 (6-3) change in V̇O2 from minute 3 to 6, V̇E, rate of minute ventilation, VT Tidal volume, BR Breathing rate, SpO2 peripheral capillary O2 saturation saturation, [lactate] blood lactate concentration, RPE Rating of perceived exertion; * P < 0.05