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

Table 2

CT values of early-stage hepatocellular carcinoma on different energy levels.

Scan phase (keV)	AP	PVP	t	-value
40	232.55 ± 45.74	190.42 ± 80.18	2.001	0.055
70	102.00 ± 17.42	82.79 ± 22.18	2.998	0.005
100	66.25 ± 10.21	56.68 ± 15.45	2.269	0.030
140	52.50 ± 9.53	47.53 ± 23.97	0.843	0.407

represents a statistically significant difference.