Table 2.

Comparison between short-term outcomes and survival outcomes.

	unmatched cohort			1:1 Propensity score matching
	LH	ICG-guided	P value	LH	ICG-guided	p value
	(n=158)	LH (n=104)		(n=81)	LH (n=81)
Surgery margin, n (%)	1 (0.6)	2 (1.9)	0.714	1 (1.2)	1 (1.2)	1
Operative time, median (IQR),min	229.5 (180-285.8)	268 (211.3-328.8)	0.008	230 (167.5-285)	268 (222.5-322.5)	0.004
anatomical resection						0.9870
non-anatomical resection						0.001
Blood loss
Blood loss, median (IQR),ml	100 (50-400)	175 (50-400)	0.159	100 (50-450)	200 (100-400)	0.319
<400ml	123 (77.8)	80 (76.9)	0.861	61 (75.3)	63 (77.8)
>400ml	35 (22.2)	24 (23.1)		20 (24.7)	18 (22.2)	0.711
Blood transfusion rate, n (%)	18 (11.4)	8 (7.7)	0.327	9 (11.1)	5 (6.2)	0.263
Postoperative length of stay, median (IQR),days	7 (6-9)	7 (6-10)	0.675	7 (6-8)	7 (6-10)	0.081
Complication
bleeding, n (%)	2 (1.3)	3 (2.9)	0.634	0 (0)	2 (2.5)	0.477
Biliary fistula, n (%)	1 (0.6)	1 (1)	1	0 (0)	0 (0)	1
Liver failure, n (%)			0.143			0.333
PHLF A	4 (2.5)	0 (0)		2 (2.5)	0 (0)
PHLF B	1 (0.6)	0 (0)		0 (0)	0 (0)
PHLF C	1 (0.6)	2 (1.9)		0 (0)	2 (2.5)
Clavien-Dindo			0.643			0.141
Classification 1	9 (5.7)	5 (4.8)		2 (2.5)	3 (3.7)
Classification 2	0 (0)	1 (1.0)		0 (0)	1 (1.2)
Classification 3	0 (0)	1 (1.0)		0 (0)	1 (1.2)
Classification 4	1 (0.6)	1 (1.0)		0 (0)	1 (1.2)
Prognosis
Mortality within 30 days, n (%)	2 (1.3)	1 (1)	1	0 (0)	1 (1.2)	1
Mortality within 90 days, n (%)	3 (1.9)	2 (1.9)	1	1 (1.2)	2 (2.5)	1
1-year RFS, (%)	0.797	0.874		0.816	0.865
2-year RFS, (%)	0.696	0.711		0.756	0.697
3-year RFS, (%)	0.624	0.627		0.72	0.587
4-year RFS, (%)	0.569	0.522		0.679	0.44
1-year OS, (%)	0.922	0.972		0.935	0.961
2-Year OS, (%)	0.865	0.937		0.908	0.922
3-Year OS, (%)	0.789	0.915s		0.809	0.896
4-Year OS, (%)	0.769	0.832		0.77	0.806

^∗Statistical significance was set at P < 0.05.