| Visit 1 | Visit 2 | ||||
---|---|---|---|---|---|---|
 | PIVOT | PIVOT Repeat | Standard Method | PIVOT | PIVOT Repeat | Standard Method |
Perfusion (Standard Method = PASL) | ||||||
PHF (mL/min/100g) | 34.8 (7.5) | 34.5 (10.2) | 37.9 (9.0) | 39.2 (4.1) | 38.3 (6.0) | 37.6 (5.6) |
TTP (s) | 19.6 (3.6) | 18.0 (3.5) | 17.2 (2.3) | 18.4 (5.7) | 17.2 (4.1) | 17.6 (5.2) |
HFV (mL/100g) | 17.0 (5.3) | 14.0 (5.0) | 16.2 (5.6) | 16.7 (5.4) | 14.4 (1.9) | 16.1 (2.3) |
Hyperemic duration (s) | 53.6 (15.7) | 46.8 (13.8) | 53.6 (10.4) | 48.8 (14.9) | 44.8 (10.3) | 49.6 (14.2) |
SvO 2 (Standard Method = multi-echo GRE) | ||||||
Washout time (s) | 11.6 (2.2) | 10.0 (2.0) | 10.4 (1.7) | 12.4 (3.6) | 11.2 (4.8) | 10.0 (1.4) |
Upslope (%HbO2/s) | 0.83 (0.32) | 1.08 (0.47) | 1.21 (0.54) | 1.14 (0.42) | 0.91 (0.43) | 1.13 (0.48) |
Overshoot (%HbO2) | 17.6 (7.5) | 17.1 (6.1) | 16.8 (7.1) | 18.6 (6.5) | 16.5 (7.6) | 18.3 (5.0) |
T 2 * (Standard Method = multi-echo GRE) | ||||||
Baseline T2* (ms) | 23.4 (1.4) | 22.5 (1.5) | 23.1 (2.0) | 22.0 (1.9) | 21.7 (1.6) | 22.2 (2.0) |
Relative T2*min | 0.90 (0.04) | 0.93 (0.03) | 0.92 (0.01) | 0.92 (0.03) | 0.93 (0.04) | 0.94 (0.02) |
Relative T2*max | 1.09 (0.03) | 1.13 (0.04) | 1.16 (0.05) | 1.14 (0.05) | 1.15 (0.05) | 1.18 (0.05) |
TTPT2* (s) | 34.0 (11.6) | 29.2 (3.6) | 26.8 (5.2) | 28.4 (3.6) | 24.8 (5.0) | 28.4 (4.8) |