Table 2.
Summary of the median, first quartile (Q1), and third quartile (Q3) of metastatic and normal ROI kinetic parameters.
| Normal | Metastatic | |||||
|---|---|---|---|---|---|---|
| Median | Q1 | Q3 | Median | Q1 | Q3 | |
| ADC (µm2/ms) | 0.911 | 0.717 | 1.08 | 0.962 | 0.839 | 1.29 |
| vp | 7.95 × 10−2 | 6.08 × 10−2 | 0.104 | 5.57 × 10−2* | 3.77 × 10−2 | 6.41 × 10−2 |
| ve | 0.385 | 0.154 | 0.663 | 0.673 | 0.295 | 0.921 |
| PS (min−1) | 4.24 × 10−2 | 2.65 × 10−2 | 7.58 × 10−2 | 2.64 × 10−2* | 1.90 × 10−2 | 3.44 × 10−2 |
| Fp (min−1) | 0.142 | 0.120 | 0.191 | 7.35 × 10−2* | 5.24 × 10−2 | 0.156 |
| Ktrans (min−1) | 3.79E−02 | 2.34 × 10−2 | 6.32 × 10−2 | 2.42 × 10−2* | 1.58 × 10−2 | 3.08 × 10−2 |
| K1 (mL/cm3/min) | 0.816 | 0.517 | 1.52 | 1.20 | 0.657 | 2.42 |
| k2 (min−1) | 1.32 | 0.943 | 2.10 | 1.50 | 1.03 | 2.34 |
| k3 (min−1) | 3.02 × 10−3 | 1.00 × 10−4 | 6.04 × 10−3 | 1.82 × 10−2* | 1.05 × 10−2 | 2.34 × 10−2 |
| Ki (mL/cm3/min) | 1.81 × 10−3 | 8.93 × 10−5 | 3.42 × 10−3 | 1.23 × 10−2* | 7.10 × 10−3 | 1.82 × 10−2 |
*A statistical significance where p < 0.05 from Mann–Whitney test.