Figure 1.

Standard Gamble preference assessment method. The Standard Gamble is the index method to measure preferences for health conditions. To measure a patient's values for a health condition using this method, the assessor assists the patient with determining the probability P where the patient is indifferent between two alternatives: (1) living the remainder of his or her life with some health condition; and (2) a gamble with P probability of normal life coupled with 1 - P probability of immediate death.