Table 3.

Risk score model for the prediction of microvascular invasion

Predictor variables	Regression coefficients (β)		Categories		Points
AFP			< 20*		0
	1.951		≥ 20		2
Albumin			≥ 3.5*		0
	1.498		< 3.5		1
Tumor burden score			< 8.6*		0
	1.586		≥ 8.6		1
Total score	0	1	2	3	4
Probability of MVI	23.5%	33.3%	41.8%	45.7%	62.1%

^*Reference category.