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Table 3 Pre-/post-training measurements during 10-min constant-work-rate test at 30% 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+

AMB

Time

Group

x

Time

Pre

Post

Pre

Post

P

P

Baseline V̇O2 (L.min− 1)

0.39 ± 0.06

0.40 ± 0.06

0.32 ± 0.08

0.36 ± 0.12

0.152

0.262

V̇O2 MRT (s)

44 ± 9

34 ± 11

45 ± 17

39 ± 14

0.000*

0.130

V̇O2 amplitude (L.min− 1)

0.54 ± 0.19

0.52 ± 0.21

0.59 ± 0.20

0.57 ± 0.24

0.391

0.968

∆V̇O2 (6-3) (L.min− 1)

0.01 ± 0.06

0.03 ± 0.04

0.00 ± 0.03

0.04 ± 0.03

0.148

0.655

End V̇E (L.min− 1)

32 ± 2

28 ± 5

29 ± 3

30 ± 4

0.119

0.024*

End VT (L)

1.1 ± 0.5

1.1 ± 0.5

1.2 ± 0.5

1.1 ± 0.6

0.122

0.110

End BR (br.min− 1)

35 ± 11

30 ± 9

31 ± 13

31 ± 12

0.186

0.119

End SpO2%

94 ± 2

94 ± 2

95 ± 3

94 ± 3

0.407

0.079

End [lactate] (mmol. L− 1)

2.9 ± 0.8

1.5 ± 0.3

1.6 ± 0.2

1.7 ± 0.6

0.018*

0.009*

End RPE

11.0 ± 1.4

9.8 ± 1.3

10.0 ± 2.9

10.8 ± 2.6

0.754

0.200

End dyspnea

2.2 ± 1.3

1.6 ± 1.5

2.3 ± 1.0

2.3 ± 1.7

0.461

0.461

  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, [lactate] blood lactate concentration, RPE Rating of perceived exertion; * P < 0.05