Table 3. Summary of inter-subject variance in Ktrans and Ve parameters by scan time and radiation dose.
PARAMETER | SCAN Time | DOSE | SD | MEDIAN | IQR |
---|---|---|---|---|---|
Ktrans (min−1) | PRE | 2.28 | 0.08 | 0–0.37 | |
MID | 10 Gy1 | 2.57 | 0.09 | 0–0.44 | |
30 Gy2 | 1.77 | 0.12 | 0–0.50 | ||
POST | 10 Gy1 | 1.28 | 0.10 | 0–0.41 | |
30 Gy2 | 1.84 | 0.10 | 0–0.40 | ||
Ve (%) | PRE | 1.30 | 0.00 | 0–0.96 | |
MID | 10 Gy3 | 1.37 | 0.00 | 0–1.07 | |
30 Gy4 | 1.41 | 0.15 | 0–1.12 | ||
POST | 10 Gy3 | 1.40 | 0.19 | 0–1.31 | |
30 Gy4 | 1.46 | 0.06 | 0–1.23 |
IQR = Inter Quartile Range.
SD = Standard deviation.
1Ktrans for doses 9~11Gy.
2Ktrans for doses 29~31Gy.
3Ve for doses 9~11Gy.
4Ve for doses 29~31Gy.