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The diagnosis is based on an individual's pattern of symptoms rather than a crude symptom count and the method quantifies the confidence associated with the diagnosis
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Summary This innovation helps to address the all-too-common problem of misdiagnosis. Perhaps the most common question patients ask their health care providers is, "How certain are you?" The Likelihood of Diagnosis Index (LODI) provides a way for health care providers to quantify the degree of confidence or uncertainty associated with a diagnosis. It can be applied to all diagnoses that are syndromes (co-occurrences of symptoms) with particular relevance for psychiatric diagnoses. This can be determined using a variety of techniques. One or more exhibited symptoms may be obtained for a patient. The likelihood that each symptom will be exhibited for the disorder can be computed, and a posterior probability of the disorder given the exhibited symptoms can be computed from the likelihood of the symptoms. Based on the resulting posterior probability of the disorder, a more accurate determination can be made of whether the patient is suffering from the disorder.