Table 3.
Changes in cardiopulmonary fitness during 4 weeks
| TB2 | TF | MD (95 % CI) (TF-TB2) | p-value | % changes (95 % CI) | |
|---|---|---|---|---|---|
| Absolute V'O2peak (mL/min) | 1156.4 ± 376.6 | 1170.0 ± 397.5 | 13.6 (−102.9, 130.2) | 0.81 | 2.8 (−6.3, 11.9) |
| Relative V'O2peak (mL/kg/min) | 16.0 ± 4.9 | 16.2 ± 5.0 | 0.2 (−1.3, 1.6) | 0.80 | 2.8 (−6.3, 11.9) |
| HRpeak (beats/min) | 124.2 ± 25.2 | 124.5 ± 23.5 | 0.4 (−4.7, 5.4) | 0.88 | 0.9 (−3.1, 5.0) |
| RERpeak | 1.08 ± 0.08 | 1.08 ± 0.10 | 0.001 (−0.02, 0.03) | 0.89 | 0.2 (−2.3, 2.6) |
| WRpeak (W) (n = 16) | 29.0 ± 13.3 | 30.0 ± 14.0 | 1.0 (−1.8, 3.8) | 0.46 | 2.6 (−7.3, 12.6) |
| Absolute V'O2VAT (mL/min) (n = 16) | 637.4 ± 173.3 | 569.3 ± 151.3 | −68.1 (−107.5, −28.7) | 0.002 | −9.6 (−15.1, 4.0) |
| Relative V'O2VAT (mL/kg/min) | 8.8 ± 2.3 | 7.9 ± 2.0 | −0.9 (−1.5, −0.4) | 0.002 | −9.6 (−15.1, 4.0) |
| HRVAT (beats/min) | 93.8 ± 11.5 | 91.1 ± 7.4 | −2.6 (−6.8, 1.5) | 0.20 | −2.1 (−6.2, 2.0) |
| Absolute V'O2RCP (mL/min) (n = 11) | 1018.7 ± 179.1 | 1055.4 ± 199.4 | 36.7 (−80.4, 153.7) | 0.50 | 4.5 (−5.9, 14.9) |
| Relative V'O2RCP (mL/kg/min) | 14.2 ± 2.5 | 14.7 ± 2.5 | 0.5 (−1.0, 1.9) | 0.48 | 4.5 (−5.9, 14.9) |
| HRRCP (beats/min) | 118.2 ± 16.8 | 116.8 ± 19.0 | −1.3 (−8.8, 6.1) | 0.69 | −1.0 (−7.7, 5.7) |
| RPE dyspnea | 5.2 ± 2.7 | 4.5 ± 1.9 | −0.7 (−1.9, 0.5) | 0.25 | −0.7 (−25.2, 23.8) |
| RPE leg effort | 7.5 ± 1.6 | 6.1 ± 2.2 | −1.4 (−2.8, −0.2) | 0.028 | −16.4 (−32.4, 0.4) |
| V'E/V'O2 at VAT (n = 16) | 32.4 ± 4.6 | 32.4 ± 4.2 | 0.1 (−1.2, 1.3) | 0.93 | 0.5 (−3.2, 4.3) |
| V'E/V'CO2 at RCP (n = 11) | 33.7 ± 3.8 | 33.5 ± 4.4 | −0.1 (−1.7, 1.4) | 0.86 | −0.4 (−5.2, 4.5) |
| V'E-vs-V'CO2 slope to RCP (n = 11) | 32.8 ± 5.7 | 32.0 ± 4.6 | −0.8 (−3.4, 1.9) | 0.53 | −1.3 (−8.4, 5.8) |
| 6MWD (n = 12) | 528.3 ± 113.1 | 526.7 ± 114.5 | −1.7 (−26.1 to 22.8) | 0.89 | 0.1 (−5.0 to 5.2) |
n = 17, unless otherwise indicated
TB2 baseline test 2, TF follow up test, MD mean difference, CI confidence interval