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| SD Speed (mm/min) | Hypotension† | Normotension† | Hypertension† |
| Hypoxia* | 3.5±0.5 | 3.4±0.3 | 3.7±0.3 |
| Normoxia | 3.5±0.5 | 4.1±0.5 | 4.8±0.3 |
| Hyperoxia | 3.3±0.8 | 3.9±0.5 | NT |
| SD Amplitude (mV) | Hypotension† | Normotension | Hypertension |
| Hypoxia | 26±4 | 20±2 | 19±3 |
| Normoxia | 28±5 | 24±4 | 24±2 |
| Hyperoxia | 25±4 | 23±4 | NT |
†P<0.05 versus the other MABP groups.
*P<0.05 versus the other paO2 groups. Two-way analysis of variance. NT, not tested.
