Table 3.
CBF before and after correction for CO2.
| PaCO2 mmHg | CBF mL/hg/min | CBFcorrected mL/hg/min | CMRO2 μmol/hg/min | |
|---|---|---|---|---|
| AD | 45.2 | 52 | 37 | 185 |
| 39.4 | 39 | 37 | 149 | |
| 37.5 | 38 | 39 | 153 | |
| 38.9 | 41 | 40 | 151 | |
| 37.7 | 37 | 38 | 160 | |
| Mean | 39.7 (3.1) | 41(6.3)** | 38(1.2**)*** | 159(15) |
| Mean (35–45 mmHg) | 38.4 (0.9) | 38.6(1.7)*** | 39(1.2*)* | |
| HC | 39.000 | 55 | 56 | 187 |
| 39.225 | 48 | 49 | 190 | |
| 38.175 | 55 | 59 | 148 | |
| 27.075 | 44 | 62 | 210 | |
| 39.000 | 58 | 60 | 200 | |
| 36.225 | 59 | 68 | 209 | |
| 42.750 | 50 | 43 | 158 | |
| 42.825 | 55 | 47 | 154 | |
| Mean | 38.0(5.0) | 53(5.3) | 56(8.4) | 182(25) |
| Mean (35–45 mmHg) | 39.6(2.4) | 54(4.0) | 55(8.5) |
Group comparisons were done for difference between AD and HC t-test of means and a f-test was done for difference in variance. The AD had significant decreased mean and variance after correction for the CO2 effect (***p < 0.0005, **p < 0.005, *p < 0.05).