Textbook outcome and associated risk factors in laparoscopic transcystic common bile duct exploration

Table 3 Univariate and multivariate analysis of risk factors for achieving textbook outcome after laparoscopic transcystic common bile duct exploration

Factors	Univariate analysis		Multivariate analysis
	OR (95%CI)	P value	OR (95%CI)	P value
Age	1.030 (1.015-1.045)	< 0.01b	1.027 (1.006-1.048)	0.010a
Sex
Female	Reference
Male	1.500 (0.965-2.332)	0.072b
White blood cell count (× 109/L)	0.995 (0.980-1.010)	0.524
Neutrophil count (× 109/L)	0.999 (0.987-1.011)	0.828
Platelet count (× 109/L)	0.999 (0.996-1.002)	0.363
ALT (U/L)	1.000 (0.999-1.001)	0.652
AST (U/L)	1.001 (1.000-1.002)	0.084b
TB (μmol/L)	1.004 (0.999-1.009)	0.156
DB (μmol/L)	1.000 (0.997-1.002)	0.742
ALP (U/L)	1.002 (1.000-1.004)	0.026b	1.002 (1.000-1.005)	0.048a
γ-GT (U/L)	1.000 (0.999-1.001)	0.713
Serum amylase (U/L)	1.000 (0.999-1.001)	0.915
Urine amylase (U/L)	1.000 (1.000-1.000)	0.950
Fasting blood glucose (mmol/L)	1.247 (1.076-1.445)	0.003b
Gallbladder wall thickness
< 3 mm	Reference
≥ 3 mm	1.223 (0.787-1.889)	0.370
Number of common bile duct stones
0	Reference
1	1.717 (0.867-3.401)	0.121
≥ 2	2.000 (0.856-4.673)	0.109
Common bile duct stone diameter	1.871 (1.092-3.206)	0.023b
Common bile duct diameter	0.931 (0.615-1.409)	0.735
Intrahepatic bile duct dilation
No	Reference
Yes	1.265 (0.809-1.978)	0.303
Cystic duct diameter	1.039 (0.834-1.293)	0.734
Preoperative ERCP
No	Reference
Yes	5.231 (1.542-17.741)	0.008b	5.408 (1.276-22.922)	0.022a
Preoperative biliary drainage
No	Reference
PTGD/PTCD	1.132 (0.518-2.474)	0.756
Choledochoscope diameter
3 mm	Reference
5 mm	1.102 (0.875-1.387)	0.408
BMI	1.016 (0.950-1.086)	0.651
Anesthesia time	1.020 (1.014-1.026)	< 0.001b	1.016 (1.010-1.023)	< 0.001a
ASA score
< 3	Reference
≥ 3	2.211 (1.135-4.305)	0.02b
Hypertension
No	Reference
Yes	1.507 (0.929-2.444)	0.096b
Diabetes
No	Reference
Yes	0.943 (0.439-2.025)	0.880
Coronary heart disease
No	Reference
Yes	3.143 (1.405-7.031)	0.005b

^aP value < 0.05.

^bP value < 0.1.

OR: Odds ratio; CI: Confidence interval; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; TB: Total bilirubin; DB: Direct bilirubin; ALP: Alkaline phosphatase; γ-GT: Γ-glutamyl transferase; ERCP: Endoscopic retrograde cholangiopancreatography; PTCD: Percutaneous transhepatic cholangial drainage; PTGD: Percutaneous transhepatic gallbladder drainage; BMI: Body mass index; ASA: American Society of Anesthesiologists.