Table 2. CBF and CMRO2 values as a function of FiO2 before and after correction for CO2 effect.
| FiO2 |
CMRO2(μmol/mL) |
CBF (mL/min) |
||
|---|---|---|---|---|
| Before correction | After correction | Before correction | After correction | |
| 21% O2 | 1,112.7±22.5 | 1,112.7±22.5 | 384.7±17.3 | 384.7±17.3 |
| 14% O2 | 1,166.4±28.8 | 1,166.8±29.1 | 421.8±19.3 | 421.4±19.0 |
| 50% O2 | 1003.7±27.7 | 997.8±27.0 | 365.6±14.3 | 377.3±15.0 |
| 98% O2 | 940.2±36.0 | 915.2±33.6 | 344.6±13.1 | 387.7±14.9 |
O2, oxygen; CBF, cerebral blood flow; CMRO2, cerebral metabolic rate of O2; FiO2, fraction of inspired O2.