Benign lesions (n = 43) | Malignant lesions (n = 37) | p-value | ROC-AUC (95% CI) | |
---|---|---|---|---|
Parameters from APTWI | ||||
MTRasym (%) | 2.7 ± 1.2 | 1.2 ± 0.8 | < 0.01 | 0.816 (0.724–0.909) |
Semiquantitative parameters | ||||
PE (%) | 158.9 ± 71.0 | 186.6 ± 63.6 | 0.06 | 0.628 (0.508–0.748) |
TTP (s) | 227.1 ± 72.3 | 162.5 ± 75.0 | < 0.01 | 0.727 (0.616–0.838) |
Wash-in rate (%) | 67.9 ± 44.0 | 102.2 ± 51.7 | < 0.01 | 0.699 (0.587–0.810) |
Wash-out rate (%) | 9.5 ± 11.0 | 15.7 ± 14.3 | 0.03 | 0.665 (0.547–0.782) |
Pharmacokinetic parameters | ||||
Ktrans (min−1) | 0.1 ± 0.1 | 0.3 ± 0.2 | < 0.01 | 0.737 (0.619–0.834) |
Kep (min−1) | 0.5 ± 0.3 | 1.1 ± 0.9 | < 0.01 | 0.746 (0.628–0.842) |
Ve | 0.3 ± 0.2 | 0.3 ± 0.1 | 0.32 | 0.580 (0.457–0.696) |
iAUC (×10−3 mm2/s) | 0.1 ± 0.1 | 0.2 ± 0.1 | 0.06 | 0.633 (0.510–0.744) |