Table 1.
Characteristics of the contrast-enhanced US enhancement parameters and PET/CT SUVmax.
| Characteristic | Range | Mean ± standard deviation |
|---|---|---|
| AT (arrive time) | 6.0~19.0 | 13.39±3.06 |
| TTP (time to peak) | 10.0~25.0 | 19.05±3.49 |
| ΔT | 3.0~8.0 | 5.68±1.13 |
| BI (base time) | −70~−43 | −56.17±5.56 |
| PI (peak intensity) | −55~−28 | −40.57±5.28 |
| ΔI | 10~21 | 15.63±1.96 |
| AS (ascending slope) | 1.43~5.25 | 2.89±0.84 |
| DS (descending slope) | 0.2~2.4 | 0.69±0.49 |
| Area under curve of TIC | 144.10~1063.81 | 478.37±210.08 |
| SUVmax | 2.1~25.2 | 7.44±6.15 |
| SUVmean | 0.6~17.0 | 4.72±4.10 |
| MTV | 0.25~59.52 | 12.30±14.91 |
| TLG | 0.4~510.87 | 74.67±115.58 |