Table 1. Comparison of regional ASL-CBF and PET-CBF.
| ASL | PET | Pearson | Spearman | |||
|---|---|---|---|---|---|---|
|
VOI |
Mean |
s.d. |
Mean |
s.d. |
Corr. coef. |
Corr. coef. |
| Precentral | 56.4 | 8.0 | 44.4 | 5.9 | 0.70* | 0.41 |
| Frontal_Sup | 55.3 | 7.8 | 46.6 | 7.6 | 0.70* | 0.58 |
| Frontal_Inf | 61.2 | 8.3 | 48.2 | 7.3 | 0.72* | 0.37 |
| Insula | 60.0 | 8.4 | 58.1 | 10.0 | 0.87* | 0.82* |
| Occipital | 50.9 | 7.4 | 41.1 | 5.5 | 0.61 | 0.60 |
| Postcentral | 52.2 | 8.1 | 40.5 | 5.1 | 0.77* | 0.70* |
| Thalamus | 59.3 | 12.7 | 52.8 | 7.0 | 0.78* | 0.77* |
| Parietal | 55.3 | 9.8 | 44.6 | 6.3 | 0.78* | 0.71* |
| Temporal | 52.1 | 6.2 | 44.3 | 7.7 | 0.65* | 0.61 |
| Cerebellum |
57.1 |
7.3 |
47.8 |
8.0 |
0.70* |
0.54 |
| 10 VOIs Pearson corr. coef. | 0.81** | |||||
| 10 VOIs Spearman corr. coef. | 0.88** | |||||
ASL, arterial spin labeling; CBF, cerebral blood flow; coef., coefficient; corr., correlation; PET, positron emission tomography; s.d., standard deviation; VOI, volume of interest; significances: *P<0.05, **P<0.005.