Table 2.

Perioperative data.

	Age <80 years (n = 763)	Age ≥ 80 years (n = 47)	p value
Operative time, min	100 (35–301)	110 (42–219)	0.4
Bleeding volume, ml	0 (0–1400)	0 (0–550)	0.9
Supplementary exposure system	658 (86)	39 (83)	0.5
Conversion, total	22 (3)	0	0.6
Multiple port surgery	16 (2)	0	0.6
Open Surgery	6 (1)	0	1
Complications, total	46 (6)	8 (17)	<0.05
wound infection	21 (3)	2 (4)	0.4
incisional hernia of the umbilicus	8 (1)	2 (4)	0.1
prolonged inflammation response	5 (0.7)	1 (2)	0.3
intraabdominal abscess	4 (0.5)	0	1
common bile duct stone	3 (0.4)	0	1
injury of the intestine	2 (0.3)	1 (2)	0.2
pneumonia	0	2 (4)	<0.05
urinary tract infection	2 (0.3)	0	1
bile duct injury	1 (0.1)	0	1
Mortality	0	0	1
Postoperative hospital stay, day	4 (2–26)	5 (2–51)	<0.05

Datas are given median (range) or number (%).