Table 2.

Operative outcomes according to operation type after propensity scoring match.

Variables	Control (n = 51)	Treated (n = 28)	P-value
Operation time, min	186.75 ± 66.60	212.39 ± 73.19	0.134b
Intraoperative blood loss, ml	156.08 ± 242.64	99.11 ± 115.32	0.467b
Hepatic resection site
Wedge resection around the gallbladder fossa	17	8	0.762a
Bisegmentectomy of segments IVb and V	27	15
Right hemihepatectomy	6	5
Right hepatic trisegmentectomy	1	0
Number of lymph nodes retrieved	4.59 ± 2.22	4.89 ± 2.78	0.828b
VAS score
Immediate postoperative	4.73 ± 1.85	3.68 ± 2.09	0.008b*
POD1	3.69 ± 1.41	2.96 ± 1.75	0.023b*
POD2	2.92 ± 1.21	2.36 ± 1.55	0.031b*
First ambulation time, h	57.47 ± 16.17	49.57 ± 16.51	0.043b*
Drainage tube removal time, days	11.08 ± 7.65	7.86 ± 5.28	0.038b*
Postoperative morbidity (%)	11 (21.6%)	3 (10.7%)	0.227a
Clavien–Dindo I–II (%)	6 (11.8%)	2 (7.1%)	0.515a
Clavien–Dindo III–IV (%)	5 (9.8%)	1 (3.6%)	0.317a
Postoperative mortality (%)	2 (3.9%)	0	0.289a
POS, days	13.65 ± 8.48	10.11 ± 5.74	0.037b*
Hospital cost, yuan	70,400 ± 31,612	86,174 ± 12,148	<0.001b*

VAS, visual analog scale; POD, postoperative day; POS, postoperative hospital stay; Data are expressed as n (%) or mean ± standard deviation; * and bold values indicate statistically significant P-value (P < 0.05).

^a Pearson Chi-square tests.

^b Mann–Whitney U test (Wilcoxon rank sum W test).