Table 2.
Raw variables for differentiating general benign from malignant SNs
| Parameters | Benign (n = 16) | Malignant (n = 37) | P |
|---|---|---|---|
| CT40keVa | 139.61 ± 49.14 | 138.70 ± 43.36 | 0.713 |
| CT70keVa | 49.65 ± 18.82 | 116.40 ± 362.79 | 0.121 |
| ICLa | 15.84 ± 5.83 | 14.68 ± 6.15 | 0.450 |
| ICAa | 59.87 ± 31.61 | 48.02 ± 29.87 | 0.181 |
| NICa | 0.35 ± 0.25 | 0.38 ± 0.20 | 0.237 |
| λHUa | 89.96 ± 31.94 | 78.16 ± 33.84 | 0.222 |
| CT40keVv | 143.40 ± 41.67 | 135.88 ± 36.73 | 0.535 |
| CT70keVv | 51.70 ± 16.93 | 53.83 ± 10.28 | 0.771 |
| ICLv | 15.77 ± 4.99 | 13.93 ± 4.36 | 0.245 |
| ICAv | 25.72 ± 5.77 | 24.81 ± 5.42 | 0.656 |
| NICv | 0.62 ± 0.18 | 0.62 ± 0.18 | 0.846 |
| λHUv | 91.70 ± 29.56 | 82.05 ± 29.77 | 0.222 |
CT40keVa and CT70keVa, monochromatic computed tomography number enhancement on 40 and 70 keV images in the arterial (a) phase, respectively; CT40keVv and CT70kevv, monochromatic computed tomography number enhancement on 40 and 70 keV images in the venous (v) phase, respectively; HU, Hounsfield unit; IC, iodine concentration; NIC, normalized IC; SNs, solitary nodules.