Multi-parameter ultrasound based on the logistic regression model in the differential diagnosis of hepatocellular adenoma and focal nodular hyperplasia

Table 2 Comparison of ultrasound characteristics between hepatocellular adenoma group and focal nodular hyperplasia group

		HCA group, n = 31	FNH group, n = 50	t/χ2 value	P value
Diameter in cm		3.37 ± 1.87	3.29 ± 1.58	0.206	0.837
Lesion location	Liver right lobe	24	36	0.293	0.589
	Liver left lobe	7	14
Lesion echo	Low	9	31	11.637	0.009
	Equal	5	9
	High	14	10
	Mixed	2	0
Lesion property	Solid	18	16	6.202	0.045
	Cystic	9	23
	Mixed	3	11
Lesion morphology	Regular	27	44	0.014	0.904
	Irregular	4	6
Lesion boundary	Clear	27	47	1.155	0.282
	Unclear	4	3
Lesion capsule	With capsule	30	46	0.753	0.386
	Without capsule	1	4
Lesion internal echo	Uniform	26	43	0.069	0.793
	Non-uniform	5	7
Microcalcification	No	30	48	0.032	0.858
	Yes	1	2
Posterior echo	No echo attenuation	31	48	1.271	0.260
	Echo attenuation	0	2
Lesion blood flow	No blood flow	7	20	4.870	0.088
	Spotted blood flow	18	27
	Strip blood flow	6	3
SWE	YM value in kPa	14.39 ± 7.28	29.27 ± 12.38	6.065	0.000
	YM ratio	3.73 ± 1.14	4.89 ± 1.99	2.770	0.007
TIC Quantitative analysis	PI-BI, dB	21.84 ± 8.83	20.18 ± 9.38	0.791	0.431
	ET, s	18.02 ± 5.88	20.27 ± 8.39	1.306	0.195
	TIC increasing slop	1.84 ± 0.62	1.72 ± 0.23	1.241	0.218
	TIC decreasing slop	0.31 ± 0.09	0.14 ± 0.07	9.510	0.000

HCA: Hepatocellular adenoma; FNH: Focal nodular hyperplasia; YM: Young's modulus; TIC: Time intense curve; ET: Enhancement time; PI-BI: Peak intensity background intensity; SWE: Shear wave elastography