Table 4.
Descriptive statistics of adrenocortical adenomas regarding functional activity.
| MDCT Examination Phase | N | Mean | SD | Med | Min | Max | |
|---|---|---|---|---|---|---|---|
| Native HU | nonfunctional | 29 | 13.24 | 17.89 | 10.00 | −13.00 | 44.00 |
| secretory | 15 | 10.4 | 19.42 | 9.00 | −17.00 | 50.00 | |
| Total | 44 | 12.27 | 18.25 | 9.50 | −17.00 | 50.00 | |
| Arterial HU | nonfunctional | 29 | 73. 00 | 31.09 | 67.00 | 29.00 | 131.00 |
| secretory | 15 | 73.93 | 32.63 | 67.00 | 30.00 | 126.00 | |
| Total | 44 | 73.32 | 31.24 | 67.00 | 29.00 | 131.00 | |
| Venous HU | nonfunctional | 29 | 85.97 | 27.66 | 76.00 | 40.00 | 148.00 |
| secretory | 15 | 84.47 | 24.51 | 84.00 | 35.00 | 120.00 | |
| Total | 44 | 85.45 | 26.35 | 80.00 | 35.00 | 148.00 | |
| Delayed HU | nonfunctional | 29 | 51.28 | 18.8 | 50.00 | 21.00 | 91.00 |
| secretory | 15 | 38.2 | 14.29 | 35.00 | 17.00 | 70.00 | |
| Total | 44 | 46.82 | 18.33 | 43.00 | 17.00 | 91.00 | |
| Relative washout | nonfunctional | 29 | 41.14% | 9.25% | 42.00% | 20.00% | 60.00% |
| secretory | 15 | 53.47% | 10.34% | 52.00% | 34.00% | 68.00% | |
| Total | 44 | 45.34% | 11.20% | 44.50% | 20.00% | 68.00% | |
| Absolute washout | nonfunctional | 29 | 48.07% | 7.27% | 48.00% | 31.00% | 59.00% |
| secretory | 15 | 64.80% | 7.35% | 62.00% | 56.00% | 82.00% | |
| Total | 44 | 53.77% | 10.79% | 54.50% | 31.00% | 82.00% | |
| 99mTc-HYNIC-TOC target/non-target | nonfunctional | 29 | 16.06 | 6.55 | 15.30 | 5.99 | 29.66 |
| secretory | 15 | 25.7 | 16.89 | 17.05 | 9.85 | 62.26 | |
| Total | 44 | 19.34 | 11.92 | 16.57 | 5.99 | 62.26 | |