| MRU Scan | |||
| n | % | ||
| Position | Normal | 49 | 100.0 |
| Up Take | Normal | 42 | 85.7 |
| Decreased | 7 | 14.2 | |
| Parenchymal Thickness | Normal | 39 | 79.5 |
| Decreased | 10 | 20.4 | |
| Contrast Excretion | Normal | 41 | 83.6 |
| Decreased | 8 | 16.3 | |
| Hydronephrosis | Mild | 9 | 18.3 |
| Moderate | 13 | 26.5 | |
| Severe | 27 | 55.1 | |
| Aberrant Vessel | yes | 1 | 2.0 |