Characteristic | High Ki-67 expression (n = 84) | Low Ki-67 expressing (n = 36) | p |
---|---|---|---|
DCE-US | |||
HCC lesions | |||
CAT (s) | 13.4 ± 17.4 | 14.9 ± 16.5 | 0.673 |
FT (s) | 21.9 ± 30.0 | 16.7 ± 25.1 | 0.369 |
HDT (s) | 74.6 ± 33.4 | 74.2 ± 38.7 | 0.955 |
PE in arterial phase (a.u.) | 1.3 × 108 ± 1.0 × 108 | 1.1 × 108 ± 9.7 × 107 | 0.414 |
RT (s) | 17.5 ± 26.5 | 22.5 ± 30.2 | 0.521 |
TTP (s) | 30.6 ± 27.4 | 34.6 ± 28.6 | 0.762 |
WiAUC | 1.2 × 109 ± 1.3 × 109 | 1.1 × 109 ± 1.1 × 109 | 0.819 |
WiR (a.u./s) | 2.6 × 107 ± 1.0 × 108 | 2.4 × 108 ± 1.2 × 109 | 0.089 |
WiWoAUC | 3.9 × 109 ± 2.9 × 109 | 3.2 × 109 ± 4.3 × 109 | 0.425 |
WoAUC | 2.8 × 109 ± 3.9 × 109 | 2.1 × 109 ± 3.6 × 109 | 0.405 |
WoR (a.u./s) | − 6.3 × 106 ± 8 × 106 | − 7.3 × 106 ± 9.0 × 106 | 0.593 |
mTT (s) | 15.4 ± 16.4 | 14.9 ± 13.8 | 0.891 |
PE in Kupffer phase (a.u.) | 3.5 × 107 ± 4.4 × 107 | 7.5 × 107 ± 2.8 × 108 | 0.224 |
Difference between HCC lesions and distal liver parenchyma | |||
CAT (s) | − 3.6 ± 20.7 | − 3.2 ± 11.3 | 0.918 |
FT (s) | 16.0 ± 34.7 | 17.1 ± 39.5 | 0.879 |
HDT (s) | − 2.1 ± 28.4 | 0.4 ± 14.4 | 0.630 |
PE in arterial phase (a.u.) | 2.4 × 107 ± 8.8 × 107 | 2.5 × 106 ± 8.1 × 107 | 0.208 |
RT (s) | − 10.3 ± 30.9 | − 9.2 ± 30.8 | 0.857 |
TTP (s) | − 13.7 ± 31.3 | − 12.1 ± 27.8 | 0.791 |
WiAUC | − 2.3 × 105 ± 1.2 × 105 | − 9.8 × 105 ± 5.0 × 107 | 0.111 |
WiR (a.u./s) | 1.8 × 106 ± 2.2 × 107 | 4.6 × 105 ± 1.2 × 107 | 0.738 |
WiWoAUC | 1.0 × 109 ± 5.2 × 109 | − 7.2 × 108 ± 4.3 × 109 | 0.082 |
WoAUC | 1.3 × 109 ± 4.1 × 109 | 2.3 × 108 ± 3.5 × 109 | 0.179 |
WoR (a.u./s) | − 7.6 × 107 ± 6.9 × 108 | − 5.4 × 107 ± 3.2 × 106 | 0.124 |
mTT (s) | − 0.4 ± 23.2 | − 0.1 ± 16.4 | 0.939 |
PE in Kupffer phase (a.u.) | − 3.4 × 106 ± 4.8 × 107 | − 1.8 × 107 ± 3.4 × 107 | 0.045 |