Table III.

Surgery – operation time, % of elective, laparoscopic and converted procedures, intraoperative findings, and postoperative complications rate

Parameter	A1/A2	P-value	B1/B2	P-value
Median operation time [min]	90/80	NS	60/60	NS
Elective surgery %	93/93	NS	63/96	< 0.05
Operation type – laparoscopic, n (%)	79/64	NS	53/70	NS
Conversion rate, n (%)	6/36	< 0.05	21/22	NS
Median postoperative hospital stay [days]	2/3	NS	2/2	NS
Intraoperative findings, n (%):
Cholecystitis	71/57	NS	74/30	NS
Empyema	0/0	NS	32/13	< 0.05
AdhesioNS	41/71	NS	74/61	NS
Postoperative complication rate, n (%)	12/0	< 0.05	5/17	< 0.05