Preoperative prediction of hepatocellular carcinoma microvascular invasion based on magnetic resonance imaging feature extraction artificial neural network

Table 1 Clinical information of the 255 hepatocellular carcinoma patients in the study

Variables	MVI present (n = 150)	MVI absent (n = 105)	P value
Age	52.1	52.0	0.8551
Male sex, n (%)	118 (78.70)	80 (76.20)	0.3822
Basic condition			0.1712
Hepatitis C	5	6
Hepatitis B	132	86
Alcoholic liver	1	1
Multiple	12	12
AFP values	193.8	195.9	0.1661
AFP grade (+), n (%)3	68 (45.30)	44 (41.20)	0.5642
Differentiation			0.9882
Low	6	1
Medium-low	1	2
Medium	137	77
Medium-high	3	8
High	3	17
MVI positive, n (%)	111 (58.12)	40 (62.50)	0.5602

¹Statistics are analyzed using Mann-Whitney U test, respectively.

²Statistics are analyzed using χ², respectively.

³When the alpha-fetoprotein (AFP) value is greater than 10, we consider its AFP grade to be positive (+).

MVI: Microvascular invasion.