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Results of the Mann–Whitney U-test for adrenal tumors regarding functional activity.
| MDCT Examination Phase | Mann–Whitney U | Z | p |
|---|---|---|---|
| Native phase HU | 286.500 | −0.160 | 0.873 |
| Arterial phase HU | 283.500 | −0.220 | 0.826 |
| Venous phase HU | 254. 000 | −0.810 | 0.418 |
| Delayed phase HU | 197.500 | −1.941 | 0.052 |
| Relative washout | 122.500 | −3.446 | 0.001 |
| Absolute washout | 5.000 | −5.794 | 0.000 |
| 99mTc-HYNIC-TOC target/non-target ratio | 202.000 | −1.849 | 0.064 |
