Liver resection for benign hepatic lesions: A retrospective analysis of 827 consecutive cases

Table 1 Preoperative Child-Pugh score of patients

Child-Pugh score	n	%
5	635	84.7
6	62	8.3
7	39	5.2
8	9	1.2
9	5	0.7

Table 2 Changes of perioperative predictors for hepatectomy in the last 20 years

Predictors	Yr	95% confidence interval (mean)	P
Age (yr)	86-90	42.676-48.375 (45.525)	0.004
	91-95	41.298-45.938 (43.618)
	96-00	40.298-43.499 (41.898)
	01-05	44.288-46.570 (45.429)
Operating time (min)	86-90	236.649-290.639 (263.644)	< 0.001
	91-95	240.043-284.002 (262.022)
	96-00	186.591-216.917 (201.754)
	01-05	203.194-224.812 (214.003)
Blood transfusion	86-90	67.1% (53/79)	< 0.001
	91-95	68.2% (75/110)
	96-00	46.9% (99/211)
	01-05	28.6% (122/427)
Abdominal operation history	86-90	21.5% (17/79)	0.059
	91-95	30.0% (33/110)
	96-00	19.0% (40/211)
	01-05	20.8% (89/427)
Blood loss (≥ 1000 mL/< 1000 mL)	86-90	7.6% (6/79)	0.018
	91-95	8.2% (9/110)
	96-00	8.5% (19/211)
	01-05	11.7% (50/427)
Albumin (g)	86-90	38.587-40.837 (39.712)	0.027
	91-95	40.444-42.275 (41.360)
	96-00	40.694-41.958 (41.326)
	01-05	40.060-40.961 (40.511)
Child-Pugh score	86-90	5.188-5.524 (5.356)	0.544
	91-95	5.121-5.396 (5.258)
	96-00	5.157-5.346 (5.251)
	01-05	5.155-5.290 (5.223)
Resected segments	86-90	2.047-2.631 (2.339)	0.026
	91-95	1.942-2.418 (2.180)
	96-00	2.194-2.522 (2.358)
	01-05	2.432-2.666 (2.549)
Complications	86-90	20.3% (16/79)	0.004
	91-95	25.5% (28/110)
	96-00	14.2% (30/211)
	01-05	8.9% (38/427)
Postoperative hospital stay (d)	86-90	17.016-21.560 (19.288)	< 0.001
	91-95	16.443-20.142 (18.292)
	96-00	12.842-15.394 (14.118)
	01-05	10.131-11.950 (11.041)
Simple anatomical hepatectomy (yes/no)	86-90	37.5% (27/72)	0.265
	91-95	37.6% (38/101)
	96-00	47.8% (98/205)
	01-05	41.8% (165/395)