Table 3.

Multivariate regression analysis of data for the presence of microvascular invasion.

Variable	β	OR (95%CI)	p
Edmondson-Steiner grade	1.177	3.244 (2.243–4.692)	<0.001
Liver capsule invasion	0.563	1.755 (1.215–2.535)	0.003
BDTT	3.041	20.926 (2.552–171.553)	0.005
AFP (>400 vs. ≤400 ng/ml)	0.426	1.530 (1.017–2.30)	0.041
Tumor size, cm	0.090	1.095 (1.027–1.166)	0.005
NLR	0.083	1.086 (1.016–1.162)	0.015

BDTT, bile duct tumor thrombus; AFP, alpha-fetoprotein; NLR, neutrophil-lymphocyte ratio; OR, odds ratio; CI, confidence interval.