Table 2.
Correlation Coefficients (CC) Between ASL Images of Each Reconstruction Method and the First Reference ASL Images and of Global CBF Measurements (in mL/100 g/min) in Gray Matter, Across Subjects
| Second Reference | PROMO On | Rescan Tagged Only | Rescan Control Only | Apply Only | PROMO Off | |
|---|---|---|---|---|---|---|
| CC | ||||||
| Mean ± SD | 0.85 ± 0.03 | 0.80 ± 0.05 | 0.74 ± 0.08 | 0.67 ± 0.07 | 0.69 ± 0.06 | 0.58 ± 0.06 |
| P | N/A | 0.036 | 0.030 | 0.005 | 0.006 | 0.001 |
| CBF | ||||||
| Mean ± SD | 56.0 ± 7.8 | 55.5 ± 7.8 | 58.8 ± 9.5 | 51.7 ± 9.2 | 54.2 ± 9.4 | 52.7 ± 9.1 |
| P | N/A | 0.606 | 0.245 | 0.120 | 0.426 | 0.094 |
Values are presented as the mean ± SD. P values were calculated using a t test with respect to the second reference scans.