Operative complications and economic outcomes of cholecystectomy for acute cholecystitis

Table 5 Logistic regression analysis

Variable	OR		95%CI	P value
Occurrence of any complication - all patients
Same admission cholecystectomy	0.7		0.1-7.7	0.759
Grade 2	2.1		1.2-3.7	0.007a
Grade 3	2.0		0.4-10.2	0.404
Male	1.4		0.8-2.5	0.262
Diabetes	1.2		0.5-3.1	0.722
Hypertension	1.1		0.5-2.4	0.773
Open cholecystectomy	1.1		0.2-5.4	0.863
Insurance status	0.6		0.3-1.2	0.180
Age	1.0		1.0-1.0	0.919
Creatinine	0.9		0.7-1.4	0.780
Occurrence of any complication - Grade 1 patients
Same admission cholecystectomy	0.2		0.0-1.3	0.094
Diabetes	2.5		0.7-9.0	0.157
Insurance status	0.3		0.1-1.0	0.052
Body mass index	1.1		1.0-1.1	0.048a
Occurrence of any complication - Grade 2 patients
Male	1.9	0.7-5.4		0.238
Smoking status	2.1	0.8-5.7		0.156
Open cholecystectomy	2.1	0.1-31.8		0.598
Age	1.0	1.0-1.0		0.975
Body mass index	1.0	1.0-1.1		0.277
Postoperative length of stay	1.4	1.0-2.1		0.056
Aspartate aminotransferase	1.0	1.0-1.0		0.848
Alanine aminotransferase	1.0	1.0-1.0		0.481
Lipase	1.0	1.0-1.0		0.482
Creatinine	2.8	0.3-30.7		0.402
Occurrence of any complication - Grade 2 or 3 patients
Male	2.3	1.0-5.1		0.047a
Open cholecystectomy	1.3	0.2-9.5		0.767
Age	1.0	1.0-1.0		0.326
Body mass index	1.0	1.0-1.0		0.565
Preoperative length of stay	0.8	0.6-1.0		0.061
Creatinine	1.0	0.7-1.4		0.919

Level of significance was

^aP < 0.05. OR: Odds ratio; CI: Confidence interval.