Table 3 Diagnostic Performance of Multiple Dual-Energy Computed Tomography Parameters in Diagnosing Lymph Nodes
Parameters | Short diameter | Venous phase λHU | SD-40 keV | SD-70 keV | Venous phase IC | Venous phase NIC | Venous phase Rho | Venous phase Z | Venous phase DEI | Multivariable logistic regression Model |
|---|---|---|---|---|---|---|---|---|---|---|
No. of true positive | 69 | 78 | 81 | 77 | 88 | 83 | 65 | 81 | 82 | 94 |
No. of false positive | 20 | 21 | 24 | 23 | 14 | 15 | 43 | 15 | 15 | 5 |
No. of true negative | 80 | 77 | 75 | 69 | 86 | 85 | 57 | 85 | 85 | 95 |
No. of false negative | 30 | 23 | 19 | 30 | 11 | 16 | 34 | 18 | 17 | 5 |
Threshold | 0.52 | 6.5483 | 70.80 | 20.95 | 3.95 | 54 | 26.85 | 9.26 | 0.02 | 0.66 |