 To choose the right surrogate is a paramount. One way to do this is to analyze the patients trends as to how and why patients choose his or her surrogates. Little is known about what factors influence the patients decisions to choose the surrogate and what would be their decision in the event of disagreement between the treating physician and the surrogate. Factors such as patients culture, ethnic or religious background may play an important role in patients preferences at the end of their lives. 