Change of tumor-infiltrating lymphocyte of associating liver partition and portal vein ligation for staged hepatectomy for hepatocellular carcinoma

Table 3 Comparison of positive expression rates of tumor-infiltrating lymphocyte subpopulations in tumor tissues in stage-I associating liver partition and portal vein ligation for staged hepatectomy, stage-II associating liver partition and portal vein ligation for staged hepatectomy, and right hemi-hepatectomy groups

	ALPPS		Hepatectomy	Variance analysis
	Stage-I ALPPS	Stage-II ALPPS		F valve	P valve
Total T cells (%)	3.3 ± 2.9	3.1 ± 2.0	2.8 ± 1.8	0.188	0.829
CD4+ T cells (%)	1.0 ± 0.9	1.2 ± 1.1	0.9 ± 0.5	0.458	0.635
CD8+ T cells (%)	0.8 ± 0.7	1.0 ± 0.9	0.6 ± 0.4	0.546	0.583
Treg cells (‰)	0.2 ± 0.1	0.2 ± 0.2	0.3 ± 0.1	0.166	0.848
B cells (%)	1.7 ± 1.3	1.3 ± 0.7	2.1 ± 0.8	0.726	0.490
NK cells (%)	0.7 ± 0.2	0.4 ± 0.2	0.7 ± 0.2	0.664	0.520

NK: Natural killer; ALPPS: Associating liver partition and portal vein ligation for staged hepatectomy.