Research Article

Dual-Energy Computed Tomography Imaging in Early-Stage Hepatocellular Carcinoma: A Preliminary Study

Table 3

The slope of the spectral attenuation curves on dual phases at different energy intervals (HU/keV).

Scan phaseAPPVPt value

λ(40–70 keV)4.39 ± 1.083.89 ± 1.611.1410.262
λ(40–100 keV)2.79 ± 0.702.44 ± 1.001.2780.209
λ(40–140 keV)1.82 ± 0.451.58 ± 0.641.3160.197

represents a statistically significant difference.