Retrospective Cohort Study
Copyright ©The Author(s) 2020.
World J Gastrointest Surg. Jan 27, 2020; 12(1): 9-16
Published online Jan 27, 2020. doi: 10.4240/wjgs.v12.i1.9
Table 1 Demographics and baseline data
Total, n = 4359Clipped cystic duct, n = 4223PDS loop cystic duct, n = 136P value
Patient characteristics
Age, median (IQR)50 (39-62)58 (43-71)49 (38-61)
> 65 yr, n (%)869832 (20)37 (27)0.038
Male, n (%)20121945 (46)67 (49)NS
ASA 3-4, n (%)239225 (7)14 (13)0.021
History prior to LC
Pre-operative ERCP612580 (14)32 (24)0.001
Pancreatitis258254 (6)13 (10)0.065
Previous cholecystitis132116 (3)16 (12)< 0.001
Indication for surgery< 0.001
Sympt. biliary disease, n (%)37373652 (87)85 (62)
Acute cholecystitis, n (%)622571 (13)51 (38)
Table 2 Stratification of 4359 patients after laparoscopic cholecystectomy, according to risk score prediction of bile leakage based on a logistic regression model
Multivariable
BetaRisk score
OR (95%CI)P value
Male gender----
Age > 65 yr----
ASA 3-42.0 (0.9-4.1)0.0740.681
Pre-op ERCP1.7 (0.9-3.3)0.0940.541
Pre-op pancreatitis----
Acute cholecystitis2.7 (1.4-5.0)0.0020.982
Delayed surgery for previous cholecystitis5.1 (2.3-11.4)< 0.0011.633
Maximum score5