Bayesian-derived quantitative analysis of CBF, CBV, and MTT for gray matter and white matter in half-dose (0.05-mmol/kg) and full-dose (0.1-mmol/kg) contrast groupsa
| Contrast Dose | Bayesian-Processed DSC | |||||
|---|---|---|---|---|---|---|
| GM | t Test (P Value) | WM | t Test (P Value) | |||
| FD | HD | FD | HD | |||
| CBF (mL/100 g/min) | 75.7 ± 27.0 | 62.1 ± 23.2 | .001b | 21.6 ± 7.1 | 17.9 ± 6.2 | .037b |
| CBV (mL/100 g) | 2.2 ± 0.8 | 1.8 ± 0.7 | .090 | 1.3 ± 0.4 | 1.1 ± 0.4 | .11 |
| MTT (sec) | 2.9 ± 0.9 | 2.7 ± 1.1 | .450 | 4.3 ± 1.1 | 4.8 ± 1.2 | .051 |