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

Table 1 Propensity score matching results of associating liver partition and portal vein ligation for staged hepatectomy group and right hemi-hepatectomy group

Variable	Before matching			After matching
	ALPPS (15 cases)	Hepatectomy (46 cases)	P valve	ALPPS (15 cases)	Hepatectomy (15 cases)	P valve
Age (yr)	45.1 ± 11.4	49.4 ± 9.6	0.157	45.1 ± 11.4	49.5 ± 9.9	0.276
Sex (%)			0.795			0.543
Female	2 (13.3%)	5 (10.9%)		2 (13.3%)	1 (6.7%)
Male	13 (86.7%)	41 (89.1%)		13 (86.7%)	14 (93.3%)
BMI	22.4 ± 3.2	22.8 ± 3.1	0.644	22.4 ± 3.2	23.0 ± 3.4	0.608
HCC end-stage score	5.8 ± 2.3	5.4 ± 2.6	0.626	5.8 ± 2.3	6.1 ± 3.7	0.815
BCLC stage			0.775			0.915
A	3 (20.0%)	13 (28.3%)		3 (20.0%)	3 (20.0%)
B	5 (33.3%)	12 (26.0%)		5 (33.3%)	4 (26.7%)
C	7 (46.7%)	21 (45.7%)		7 (46.7%)	8 (53.3%)
AFP (%)			0.031			1.000
≥ 400 ng/mL	11 (73.3%)	19 (41.3%)		11 (73.3%)	11 (73.3%)
< 400ng/mL	4 (26.7%)	27 (58.7%)		4 (26.7%)	4 (26.7%)
Child-Pugh class (%)			0.984			1.000
A	14 (93.3%)	43 (93.5%)		14 (93.3%)	14 (93.3%)
B	1 (6.7%)	3 (6.5%)		1 (6.7%)	1 (6.7%)
Tumor number (%)			0.125			1.000
1	10 (66.7%)	39 (84.8%)		10 (66.7%)	10 (66.67%)
> 1	5 (33.3%)	7 (15.2%)		5 (33.3%)	5 (33.33%)
Tumor size (cm)	10.7 ± 4.5	7.7 ± 4.8	0.033	10.7 ± 4.5	9.0 ± 4.9	0.332
Vascular invasion (%)			0.952			0.705
Yes	6 (40.0%)	18 (39.1%)		6 (40.0%)	5 (33.3%)
No	9 (60.0%)	28 (60.9%)		9 (60.0%)	10 (66.6%)
Extrahepatic metastasis (%)			1.000			1.000
Yes	0 (0%)	1 (2.2%)		0 (0%)	0 (0%)
No	15 (100%)	45 (97.8%)		15 (100%)	15 (100%)

ALPPS: Associating liver partition and portal vein ligation for staged hepatectomy; BMI: Body mass index; HCC: Hepatocellular carcinoma; BCLC: Barcelona Clinic Liver Cancer; AFP: Alpha-fetoprotein.