Table 3.

Comparison of postoperative data in patients with gangrenous and non-gangrenous acute cholecystitis

	All patients (n = 290)	Non-gangrenous acute cholecystitis group (n = 184)	Gangrenous cholecystitis group (n = 106)	P-value
Length of stay, days, median (range)	4 (0–33)	3 (1–33)	4 (0–17)	0.005
Complication, n (%)
Postoperative complication	49 (17%)	26 (14%)	23 (22%)	0.102
Wound infection	5 (2%)	2 (1%)	3 (3%)
Intraoperative collection	2 (1%)	2 (1%)	0 (0%)
Bile leak	7 (2%)	5 (3%)	2 (2%)
Retained stone	4 (1%)	3 (2%)	1 (1%)
Chest infection	10 (3%)	4 (2%)	6 (6%)
Cardiac	10 (3%)	4 (2%)	6 (6%)
Urinary retention	3 (1%)	1 (1%)	2 (2%)
Other	13 (6%)	7 (4%)	6 (6%)
Follow-up, n (%)
Unplanned HDU/ICU stay	28 (10%)	12 (7%)	16 (15%)	0.017
Readmission	11 (4%)	7 (4%)	4 (4%)	1.000
Postoperative ERCP	16 (6%)	12 (7%)	4 (4%)	0.427
Death within 90 days	4 (1%)	0 (0%)	4 (4%)	0.017

HDU, high-dependency unit; ICU, intensive care unit; ERCP, endoscopic retrograde cholangiopancreatography.