|
AIF
|
Ind-AIF*
|
Avg-AIF*
|
Difference between Ind-AIF and Avg-AIF based parameter estimates
|
|---|
|
ROI Ktrans (min-1)
|
0.35 ± 0.29
|
0.23 ± 0.12
|
0.12 ± 0.08a
|
|
Histogram Median Ktrans (min-1)
|
0.36 ± 0.29
|
0.22 ± 0.11
|
0.14 ± 0.09b
|
|
ROI ve
|
0.52 ± 0.51
|
0.43 ± 0.39
|
0.09 ± 0.06c
|
|
Histogram Median ve
|
0.37 ± 0.22
|
0.38 ± 0.19
|
0.01 ± 0.007d
|
- *Mean ± SD; Student's paired t-test for Ktrans and ve values obtained with Ind-AIF and Avg-AIF; Differences between Ind-and Avg-based parameter estimates: aP = 0.20, bP = 0.18, cP = 0.48, dP = 0.93.