Table 4. Risk factor analysis for biliary complication.

OR, odds ratio; CI, confidence interval; INR, international normalized ratio; SIRS, systemic inflammatory response syndrome; CVA, cerebral vascular accident; CKD, chronic kidney disease; ASA, American Society of Anesthesiologists; PS, physical status; ECOG, Eastern Cooperative Oncology Group; PTGBD, percutaneous transhepatic gallbladder drainage.