Dual energy computed tomography for detection of metastatic lymph nodes in patients with hepatocellular carcinoma

Table 2 Quantitative parameters [median (P25, P75)] for lymph nodes in patients with hepatocellular carcinoma complicated with active vs non-active hepatitis

		Metastatic		P-value	Non-metastatic		P-value
		Active hepatitis (group P1)	Non-active hepatitis (group P2)		Active hepatitis (group N1)	Non-active hepatitis (group N2)
Maximal short axis diameter (cm)		1.50 (1.12, 2.00)	1.40 (0.90, 1.70)	0.058	0.70 (0.58, 0.90)	0.60 (0.50, 0.78)	0.083
IC (mg/mL)	AP	10.12 (7.63, 12.87)	11.02 (8.40, 13.68)	0.899	9.07 (6.35, 11.53)	7.73 (5.46, 9.58)	0.099
	PP	20.75 (18.40, 24.28)	18.83 (14.95, 21.31)	0.647	15.03(10.21, 18.02)	13.82 (10.40, 19.05)	0.001
	DP	14.19 (11.59, 17.47)	13.49 (10.53, 18.77)	0.793	19.65 (14.47, 22.62)	18.03 (13.78, 21.13)	0.908
NIC	AP	0.12 (0.08, 0.15)	0.11 (0.08, 0.14)	0.269	0.10 (0.07, 0.12)	0.10 (0.07, 0.13)	0.598
	PP	0.39 (0.27, 0.51)	0.34 (0.26, 0.43)	0.165	0.31 (0.23, 0.39)	0.19 (0.16, 0.26)	0.013
	DP	0.55 (0.42, 0.68)	0.51 (0.43, 0.65)	0.785	0.40 (0.35, 0.56)	0.35 (0.25, 0.44)	0.647
λHU	AP	0.62 (0.48, 0.82)	0.70 (0.53, 0.84)	0.195	0.49 (0.35, 0.64)	0.57 (0.40, 0.73)	0.161
	PP	1.45 (1.15, 1.67)	1.38 (0.89, 1.43)	0.73	0.95 (0.65, 1.16)	0.80 (0.68, 1.19)	0.002
	DP	1.23 (0.90, 1.44)	1.17 (1.01, 1.33)	0.812	0.91 (0.75, 1.11)	0.87 (0.66, 1.12)	0.726

IC: Iodine concentration; NIC: Normalized iodine concentration; λ_HU: Slope of the spectral curve; AP: Arterial phase; PP: Portal phase; DP: Delayed phase.