Table 1. Averaged blood flow related fD*, pseudo-diffusion coefficient D*, perfusion fraction f, and diffusion coefficient D, as measured over an entire axial brain slice in 20 subjects, after various delays after the cardiac systole (R-peak).
Delay | fD* [10−3 mm2·s−1] | D* [10−3 mm2·s−1] | f [%] | D [10−3 mm2·s−1] |
0 | 0.74±0.41 | 11.08±6.10 | 6.74±3.21 | 0.77±0.02 |
100 | 1.02±0.49 | 12.86±4.02 | 7.84±1.20 | 0.78±0.02 |
200 | 0.92±0.15 | 12.28±4.51 | 7.36±1.69 | 0.77±0.02 |
300 | 0.64±0.23 | 9.02±1.70 | 7.14±0.67 | 0.77±0.02 |
400 | 0.67±0.12 | 9.41±2.01 | 7.04±1.42 | 0.78±0.02 |
600 | 0.76±0.12 | 10.29±1.11 | 7.49±1.40 | 0.78±0.02 |
800 | 0.70±0.25 | 9.81±1.99 | 7.13±1.58 | 0.78±0.02 |
n.g. | 0.63±0.15 | 8.80±1.23 | 7.13±1.12 | 0.77±0.01 |
Data are averages ± standard deviation; n.g. = non-gated.