Table 6.

Surgical results according to the risk of difficult cholecystectomy calculated preoperatively

	Low risk N = 34 (%)	Intermediate risk N = 123 (%)	High risk N = 162 (%)
Conversion from laparoscopic to open	0 (0)	2 (1.62)	13 (8.02)
Subtotal cholecystectomy	0 (0)	4 (3.25)	14 (8.64)
Critical view of safety failed	1 (2.94)	7 (5.69)	24 (14.81)
Complications
Bleeding	0 (0)	2 (1.62)	4 (2.46)
Bile leak	0 (0)	0 (0)	2 (1.23)
Common bile duct injury	0 (0)	0 (0)	1 (0.61)

Low risk: 0–1, intermediate risk: 2–6, and high risk: 7–19