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Under the current environment of liver transplantation, there are several factors to be considered in the timing of liver transplantation. These include expected patient survival with and without liver transplantation, patient's morbidity and quality of life before and after liver transplantation and overall resource utilization. Statistical models have been developed for patients with chronic liver disease, particularly of cholestatic variety. By applying these models in patients being considered for liver transplantation, a window of optimal timing of liver transplantation may be defined in such way that the survival gain is maximized and perioperative mortality minimized. Likewise, a number of pretransplant morbidity indicators such as Child-Pugh score, UNOS status, and renal insufficiency have been found to have a profound influence on post-transplant morbidity, thus resource utilization. An increasing number of investigators have measured and documented a dramatic improvement in the quality of life of patients before and after liver transplantation. As the waiting time and uncertainty of the outcome of liver transplantation increase, consideration of these factors may be useful for physicians evaluating transplant candidates to make best-informed decisions in the selection of candidates and timing for liver transplantation.