Table 2.
Correlations of the contrast-enhanced ultrasonography (CEUS) variables and tumour characteristics
| Tumour characteristics | Quantitative variables of CEUS |
|||
|---|---|---|---|---|
| IMAX (%) | RT-d (s) | TTP-d (s) | p-value | |
| Tumour size | ||||
| <4 cm | 142.08 (83.78) | 8.36 (5.85) | 9.57 (6.97) | 0.787, 0.600, 0.676 |
| ≥4 cm | 146.43 (77.07) | 7.49 (5.61) | 8.75 (8.40) | |
| Histologic grade | ||||
| G1–G2 | 133.82 (85.07) | 6.89 (3.72) | 7.81 (4.03) | 0.278, 0.167, 0.098 |
| G3 | 149.52 (71.81) | 8.96 (6.34) | 10.38 (8.49) | |
| Tumour stage | ||||
| IB1 | 146.95 (86.78) | 9.06 (6.57) | 10.31 (7.23) | 0.832, 0.644, 0.728 |
| IB2 | 149.34 (71.07) | 7.58 (6.17) | 8.71 (10.25) | |
| IIA1 | 131.64 (52.87) | 6.87 (3.59) | 7.99 (3.18) | |
| IIA2 | 141.58 (89.16) | 7.32 (7.79) | 8.82 (7.40) | |
G1, well differentiated; G2, moderately differentiated; G3, poorly differentiated; IMAX, maximum of intensity; RT-d, rise time of difference between cervical lesion and reference tissue; TTP-d, time to peak of difference between cervical lesion and reference tissue.
All data are expressed as median; the interquartile range is given in parentheses.