Values of hemispheric ratios before and after acetazolamide challenge
| Mean CBF Ratio | Mean CBV Ratio | Mean MTT Ratio | |
|---|---|---|---|
| Baseline | 0.79 ± 0.16 | 1.06 ± 0.31 | 1.46 ± 0.31 |
| Acetazolamide | 0.63 ± 0.17 | 0.98 ± 0.15 | 1.91 ± 0.56 |
| P value | <.001 | .200 | .002 |
Note:—Values are mean ± SD. CBF indicates cerebral blood flow; CBV, cerebral blood volume; MTT, mean transit time.