Table 2.

Demographic and perioperative characteristics of patients with acute cholecystitis

Characteristic	I: ≤ 3 d	II: 4-7 d	III: ≥ 8 d
	(n = 36)	(n = 58)	(n = 35)
Male / Female	15/21	19/39	16/19
Age (median)	55 (19-76) yr	65 (24-87) yrb	62 (30-81) yra
ASA (I/II/III)	18/13/5	23/25/10	14/15/6
Complicated cholecystitis	9	34b	15
Preoperative ERCP	2	10	8a
Spillage	21	39	18
Drain use	17	32	19
Operative time	55 (35-90) min	62.5 (25-120) min	72.5 (35-120) mina

^aP < 0.05,

^bP < 0.01 vs group I.