Support system for making decisions on medical treatment plans or test plans

摘要

A support system for making decisions on medical treatment plans or test plans includes using a decision tree having branches that represent actions to be selected in deciding the medical treatment plans or test plans for a person to be inspected and events that may possibly occur as a result of the selected actions, and calculating expectations of the actions to be selected in accordance with occurrence probabilities with which the respective events occur and utility values which reflect intentions of the person to be inspected on the events. The occurrence probabilities of the branches are renewable in accordance with attribute information of the person to be inspected.