Table 2. Mean number of voxels for all ROIs and baseline CBF repeatability.
| ROIs | Slices, no. | Voxels, mean±s.d. | CBF repeatability (ICC)a | Median difference between baseline investigations (%) |
|---|---|---|---|---|
| Cerebellum | 2 | 922±133 | 0.88 | 11 |
| MFC | 3 | 136±29 | 0.89 | 9 |
| Right lentiform | 1 | 56±8 | 0.71 | 7.5 |
| Left lentiform | 1 | 60±8 | 0.80 | 4.7 |
| MTL | 1 | 113±16 | 0.71 | 6.4 |
| HCC | 2 | 1377±463 | 0.65 | 17.1 |
| Pons | 3 | 66±16 | 0.89 | 7.6 |
| SMA | 2 | 129±19 | 0.60 | 8.1 |
| Right thalamus | 2 | 56±10 | 0.85 | 12.6 |
| Left thalamus | 2 | 58±11 | 0.88 | 8.9 |
| Frontal WM | 2 | 41±8 | 0.90 | 11.1 |
| Lateral WM | 2 | 136±32 | 0.87 | 6.4 |
| Superior WM | 2 | 66±8 | 0.84 | 12.1 |
CBF, cerebral blood flow; HCC, high convexity cortex; ICC, intraclass correlation coefficient; MFC, medial frontal cortex; MTL, medial temporal lobe; pCASL, pseudo-continuous arterial spin labeling; ROIs, regions of interest; SMA, supplementary motor area; WM, white matter.
a
Repeatability of perfusion measurements with pCASL between two baseline investigations.