Table 1.
CRF and functional outcome measures at baseline and 19wk for exercise and control groups
| Variable | Exercise Group (n=20) |
Control Group (n=20) |
Group × Time (95% Confidence Interval) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Baseline | 19wk | Δ | P | Baseline | 19wk | Δ | P | ||
| Cardiorespiratory measures | |||||||||
| Peak oxygen consumption (mL/(kg⋅min)) | 18±5 | 21±5 | 3 | <.01∗ | 18±5 | 18±5 | 0 | .62 | <.01∗ (1.3 to 5.2) |
| Peak work rate (W) | 112±36 | 121±37 | 9 | <.01∗ | 105±34 | 101±35 | −4 | .13 | <.01∗ (0.1 to 0.3) |
| Peak arterial-venous oxygen difference (mL of O2/100mL of blood) | 9.2±2.7 | 11.4±2.9 | 2.2 | <.01∗ | 9.1±2.4 | 10.1±3.0 | 1 | <.05† | 0.09 (−0.2 to 2.5) |
| Peak cardiac output (L/min) | 17.2±4 | 17.7±4.2 | 0.5 | .44 | 16.2±2.9 | 15.8± 2.6 | −0.4 | .26 | 0.23 (−0.5 to 2.1) |
| Peak cardiac power output (W) | 4.8±1.3 | 5.0±1.35 | 0.2 | .45 | 4.6±0.93 | 4.2±1.4 | −0.5 | .1 | 0.145 (−0.1 to 0.9) |
| Baseline cardiac output (L/min) | 5.6±1.2 | 5.54±1.4 | −0.1 | .93 | 5.8±0.8 | 5.42±0.8 | −0.4 | .03† | 0.12 (−0.1 to 0.9) |
| Baseline cardiac power output (W) | 1.26±0.4 | 1.26±0.4 | 0 | .91 | 1.29±0.2 | 1.25±0.2 | −0.0 | .36 | 0.6 (−0.1 to 0.18) |
| Physical performance | |||||||||
| 6MWT distance (m) | 428±131 | 513±131 | 85 | <.01∗ | 419±127 | 441±126 | 22 | <.05† | <.01∗ (42 to 86) |
| 10MWT speed (m/s) | 1.2±0.4 | 1.5±0.3 | 0.3 | <.01∗ | 1.2±0.3 | 1.3±0.3 | 0.1 | .01† | <.01∗ (0.1 to 0.3) |
| TUG test score (s) | 11±9 | 8.4±6 | −2.6 | <.01∗ | 9.8±5 | 9±5 | −0.8 | .06 | <.05† (−3.5 to −2.4) |
| BBS score | 50±4 | 55±2 | 5 | <.01∗ | 50±5.6 | 52±5 | 2 | <.05† | <.01∗ (0.9 to 5) |
NOTE. Values are mean ± SD or as otherwise indicated. Group x time indicates between group differences using change scores (significance and confidence intervals).
Abbreviation: Δ, change score.
∗
P<.01.
†
P<.05.