Table 3. CEUS parameters of different gastric lesions and compare with normal tissue.
| Lesions | AT(s) | PI(dB) | AUC(dB s) | TTP(s) |
|---|---|---|---|---|
| gastric cancer | 6.9±1.5 | 18.1±3.6 | 1056.7±456.2 | 30.7±7.9 |
| normal tissue | 12.5±3.8 | 12.1±3.0 | 622.9±241.6 | 36.3±16.7 |
| P | <0.001* | <0.001* | <0.001* | >0.1 |
| GIST | 8.9±4.9 | 13.4±4.3 | 489.1±300.5 | 26.9±11.2 |
| normal tissue | 11.7±6.7 | 11.5±3.3 | 429.6±244.1 | 19.8±10.5 |
| P | 0.08 | 0.04* | >0.1 | >0.1 |
| inflammatory mass | 8.9±3.2 | 20.8±4.3 | 1270.7±583.8 | 28.6±6.7 |
| normal tissue | 11.8±4.7 | 15.3±3.0 | 953.9±337.7 | 34.6±12.1 |
| P | >0.1 | <0.001* | 0.06 | 0.07 |
| polypoid adenoma | 12.1±3.9 | 13.3±3.7 | 511.2±271.6 | 27.1±5.4 |
| normal tissue | 11.7±4.4 | 12.4±6.3 | 486.8±336.5 | 32.9±12.7 |
| P | >0.1 | >0.1 | >0.1 | 0.07 |
Abbreviation: AT (arrival time), PI (peak intensity), AUC (area under the curve)
*P< .05