Nondrainage after Laparoscopic Cholecystectomy for Acute Calculous Cholecystitis Does Not Increase the Postoperative Morbidity

Table 2

Ultrasound findings for the patients on admission.

USG findings	Drainage; (n=106)	Nondrainage; (n=106)	P
Thickened gallbladder (n, %)	63 (60.3%)	59 (55.7%)	0.11
Edematous gallbladder (n, %)	90 (84.9%)	85 (80.2%)	0.24
Distended gallbladder (n, %)	88 (83.1%)	86 (81.1%)	0.28
Presence of gallstones (n, %)	96 (90.6%)	97 (91.5%)	0.32
USG Murphy^,s sign positive(n, %)	64 (60.4%)	58 (54.7%)	0.27
Pericholecystic fluid (n, %)	22 (20.7%)	14 (13.2%)	0.01
Cyst size (cm)	10.5±3.3	9.7±3.1	0.21

USG: Ultrasonography; -Whitney U for continuous variables, and the categorical variables were analyzed by the χ2 test or continuity correction method.