Table 4.
Mean ±s.d. oxygen uptake kinetics during severe-intensity step exercise in the control and RhEPO treatment groups
| Control-Pre | Control-Post | RhEPO-Pre | RhEPO-Post (Model 1) | RhEPO-Post (Model 2) | |
|---|---|---|---|---|---|
| Baseline V˙O2 (l min−1) | 0.88 ± 0.08 | 0.82 ± 0.09 | 0.70 ± 0.10 | 0.75 ± 0.12 | 0.75 ± 0.12 |
| Primary time delay (s) | 4 ± 6 | 6 ± 8 | 8 ± 6 | 9 ± 6 | 8 ± 6 |
| Phase II time constant (s) | 40 ± 21 | 36 ± 18 | 33 ± 15 | 34 ± 15 | 35 ± 15 |
| Primary amplitude (l min−1) | 2.99 ± 0.34 | 2.99 ± 0.30 | 2.66 ± 0.71 | 2.68 ± 0.74 | 2.74 ± 0.73 |
| Primary ‘gain’ (ml min−1 W−1) | 8.3 ± 0.9 | 8.3 ± 0.8 | 8.8 ± 0.9 | 8.8 ± 0.6 | 9.0 ± 0.6 |
| End-exercise V˙O2 (l min−1) | 3.91 ± 0.33 | 3.84 ± 0.37 | 3.51 ± 0.87 | 3.57 ± 0.90 | 3.66 ± 0.94* |
*
Significantly greater than the RhEPO-Pre condition (P < 0.05). Model 1 = data modelled to the same point in time (given by the time to exhaustion in the RhEPO-Pre condition); and (2) data modelled to the end of exercise in both bouts.