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opulation. Short-term survival rates are reported in the patients undergoing percutaneous transhepatic biliary drainage (PTBD). The purpose of this study was to determine the factors predicting survival following percutaneous biliary drainage. The data of 90 patients undergoing PTBD due to malignant biliary obstruction were analyzed retrospectively between January 2009 and November 2014. The median age of the patients were 64 years. Fifty-one (57%) of the patients were male. Median survival following PTBD was 44 days. Survival