Table 2.
Kidney morphological, T1 and perfusion measurements made by ASL MRI
|
ASL MRI 1 |
ASL MRI 2 |
p value | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Kidney length (cm) |
10.6 |
0.8 |
10.8 |
0.8 |
0.02 |
| Kidney volume Ellipsoid formula (cm
3
) |
120.5 |
26.1 |
126.4 |
24.9 |
0.02 |
| Kidney volume voxel count (cm
3
) |
155.7 |
29.2 |
157.7 |
28.6 |
0.39 |
| Whole kidney T1 (ms) |
1491 |
61 |
1499 |
52 |
0.52 |
| Cortical T1 (ms) |
1376 |
104 |
1406 |
96 |
0.07 |
| Medullary T1 (ms) |
1651 |
86 |
1639 |
80 |
0.38 |
| Whole kidney perfusion (ml/min/100 g) |
228 |
40 |
230 |
41 |
0.66 |
| Cortical perfusion (ml/min/100 g) |
321 |
63 |
334 |
63 |
0.18 |
| Absolute perfusion (ml/min) | 367 | 66 | 379 | 86 | 0.33 |
Test of significance is Student’s t-test.