Table 2.
Mean changes following exercise training and guideline control
Mean ± SD | |||||||
---|---|---|---|---|---|---|---|
Exercise training [N = 106]* | Guideline control [N = 52]* | ||||||
Baseline | 3 months | Change | Baseline | 3 months | Change | Difference (95% CI), P‐value | |
Relative peak V̇O2, mL/kg/min | 18.5 ± 5.1 | 19.8 ± 5.7 | 8.0 ± 15.7% | 19.5 ± 5.8 | 18.9 ± 5.7 | −2.0 ± 18.3% | 10.0% (4.1 to 15.9), P = 0.001 |
Absolute peak V̇O2, mL/min | 1,528 ± 447 | 1,617 ± 465 | 6.8 ± 15.2% | 1,519 ± 488 | 1,475 ± 485 | −2.1 ± 17.3% | 8.9% (3.3 to 14.5), P = 0.002 |
Peak O2‐pulse, mL/beat | 12.7 ± 3.5 | 13.2 ± 3.1 | 5.1 ± 13.9% | 12.9 ± 4.0 | 12.5 ± 4.3 | −2.5 ± 18.5% | 7.7% (1.9 to 13.4), P = 0.01 |
Peak heart rate, b.p.m. | 123 ± 26 | 124 ± 25 | 2.3 ± 13.5% | 121 ± 28 | 121 ± 30 | 0.3 ± 13.1% | 2.6% (−2.5 to 6.4), P = 0.39 |
Weight, kg | 84.6 ± 18.0 | 83.8 ± 18.1 | −1.0 ± 2.6% | 78.7 ± 15.2 | 78.8 ± 15.6 | 0.1 ± 2.6% | −1.0% (−1.9 to −0.2), P = 0.02 |
Haemoglobin, g/dL* | 13.6 ± 1.6 | 13.6 ± 1.4 | 0.4 ± 7.2% | 13.2 ± 1.4 | 13.1 ± 1.4 | −0.6 ± 5.5% | 0.9% (−1.1 to 3.0), P = 0.38 |
Relative V̇O2 at VT1, mL/kg/min* | 11.1 ± 3.1 | 11.9 ± 3.1 | 9.4 ± 16.5% | 11.5 ± 2.9 | 11.4 ± 2.6 | 2.0 ± 21.3% | 7.4% (2.0 to 14.2), P = 0.03 |
Peak Respiratory Exchange Ratio | 1.11 ± 0.09 | 1.10 ± 0.13 | −1.0 ± 5.9% | 1.10 ± 0.09 | 1.11 ± 0.12 | 0.9 ± 11.0% | −0.1% (−5.2 to 1.3), P = 0.24 |
Different N (due to missing values) for the analyses including haemoglobin (exercise training: 103; guideline control: 52) and VT1 (exercise training: 104; guideline control: 50). V̇O2˙O2, oxygen consumption; VT1, ventilatory threshold.