Table 1
Peak exercise variables comparing results from treadmill and cycle
| Group | Treadmill | Cycle | p Value | |
|---|---|---|---|---|
| Data are expressed as mean (SD). | ||||
| *<0.0005; †<0.05; ‡not significant; §<0.005; AT, anaerobic threshold; HR/V˙o2 slope, slope relating heart rate to oxygen consumption during exercise; Peak V˙e, minute expired ventilation at peak. | ||||
| pV˙o2 (ml/kg/min) | Patient | 21.1 (5.5) | 18.2 (3.6) | 0.0012 |
| Control | 45.9 (13.2)* | 36.0 (9.5)* | 0.003 | |
| AT (ml/kg/min) | Patient | 15.7 (5.2) | 11.9 (2.3) | 0.01 |
| Control | 26.5 (9.7)* | 27.1 (10.0)* | 0.47 | |
| V˙e/V˙co2 slope | Patient | 35.3 (8.7) | 32.0 (7.5) | 0.0012 |
| Control | 28.2 (5.8)† | 26.8 (2.1)† | 0.792 | |
| Sub V˙e/V˙co2 slope | Patient | 34.0 (7.7) | 30.7 (6.9) | 0.011 |
| Control | 25.3 (4.5)† | 25.9 (5.0)† | 0.69 | |
| HR/V˙o2 slope | Patient | 1.68 (0.23) | 1.50 (0.24) | 0.024 |
| Control | 1.86 (0.13)† | 1.71 (0.31)† | 0.068 | |
| Peak V˙e (l/min) | Patient | 70.7 (15.9) | 54.7 (11.9) | 0.0045 |
| Control | 109.0 (23.7)* | 97.3 (32.1)* | 0.1125 | |
| RER | Patient | 1.05 (0.07) | 1.03 (0.06) | 0.64 |
| Control | 1.03 (0.05)‡ | 1.03 (0.11)‡ | 0.80 | |
| Borg/V˙e slope | Patient | 0.16 (0.05) | 0.18 (0.06) | 0.46 |
| Control | 0.09 (0.03)§ | 0.11 (0.04)§ | 0.32 | |
