TABLE 3. Comparison between results of the first half (the 1st 44 hepatectomies) and the second half (the last 44 hepatectomies) in patients operated in nine years.

Sample features	First half	Second half
(n=88)	(n=44)	(n=44)
Age (mean)	55.2 years	52.4 years
Malignant/benign disease ratio	32 / 12	31 / 13
Major/minor hepatectomy ratio	21 / 23	17 / 27
Right/left resection ratio	14 / 22	15 / 18
Mean hospital stay	12.7 days	9.1 days
Number (%) of patients who received [ ] red blood cell transfusion	15 (34%)	12 (27.3%)
Mean number of [ ] red blood cell bags per patient	3 blood bags	1.75 blood bags
Mean postoperative ICU time	2.9 days	1.8 days
Incidence of complications (overall)	43.20%	31.80%
Complications directly related to the hepatectomies:
- Incidence of intra-abdominal collection	15.9%	9.1%
- Incidence of postoperative bleeding	11.4%	2.3%
- Incidence of biliary fistula	2.3%	6.8%
- Incidence of liver failure	2.3%	0.0%
Incidence of major complications	20.40%	9.10%
Incidence of deaths	11.30%	2.30%

n=number of hepatectomies performed; [ ]=concentrate; %=percentage of cases; ICU= intensive care unit