Comparative Quality of Laparoscopic and Open Cholecystectomy in the Elderly Using Propensity Score Matching Analysis

Table 2

Variables associated with indications of open cholecystectomy (OC).

	Odds ratio	[95%CI]
Age (65–74 years)
75–84 years	1.481	[1.242-1.767]
≥85-years	2.446	[1.702-3.514]
Gender
Male	1.823	[1.538-2.159]
Ambulance
used	2.257	[1.619-3.145]
Severity (for no inflammation)
Acute	4.718	[3.78-5.889]
Chronic	1.929	[1.582-2.352]
Charlson comorbidity index (for zero)
1	1.235	[0.998-1.527]
2	2.079	[1.586-2.724]
3	2.085	[1.355-3.209]
BI at admission	0.993	[0.989-0.997]
Preoperative ERCP	1.408	[0.965-2.056]
Preoperative BDI	1.197	[0.946-1.514]
Teaching status (for community)
Academic	0.757	[0.619-0.926]
Hosmer Lemeshow goodness of model fit.	0.339

∗∗∗not included in the regression model. CI: confidence interval. BDI: bile duct intervention
ERCP: endoscopic retrograde cholangiopancreatography