Table 3.
Univariate association with malignancy | Multivariate association with malignancy Model 1 | Multivariate association with malignancy Model 2 | |||||||
---|---|---|---|---|---|---|---|---|---|
n = 213 | Crude OR (95% CI) | p-value | n = 213 | adjusted OR (95% CI) | p-value | n = 213 | adjusted OR (95% CI) | p-value | |
Quantitative parameters | |||||||||
TTP (10 s) |
0.65 (0.50–0.84) |
0.001 | 213 |
0.78 (0.59–1.03) |
0.076 | – | – | – | |
WIS (1 dB/s) | 6 (1.71–21) | 0.005 | – | – | – | 213 |
1.6 (0.42–6.09) |
0.489 | |
PI (1 dB) |
1.04 (0.91–1.19) |
0.575 | – | – | – | – | – | – | |
AUC (10 dB x s) |
1.00 (0.97–1.02) |
0.698 | |||||||
Qualitative parameters | |||||||||
Type of vascularization | |||||||||
peripheral | 164 | 1.00 | ref. | – | – | – | – | – | – |
peripheral + central | 49 |
1.72 (0.89–3.33) |
0.110 | – | – | – | – | – | – |
Perfusion homogeneity | |||||||||
homogeneous | 14 | 1.00 | – | – | – | – | – | – | – |
heterogeneous | 199 |
2.91 (0.63–13.39) |
0.170 | – | – | – | – | – | – |
Enhancement degree | |||||||||
poor or absent | 78 | 1.00 | – | 78 | 1.00 | – | 78 | 1.00 | – |
intermediate | 70 |
4.96 (1.97–12.49) |
0.001 | 70 |
4.1 (1.6–10.47) |
0.003 | 70 |
4.83 (1.91–12.18) |
0.001 |
rich | 65 |
13.40 (5.35–33.59) |
< 0.001 | 65 |
10.38 (4.04–26.72) |
< 0.001 | 65 |
12.00 (4.57–31.52) |
< 0.001 |
Abbreviations: OR odds ratio; CI confidence interval; TI time intensity curves; TTP time to peak; WIS wash in slope; PI peak intensity; AUC area under curve