A decision-tree simulation model is used to examine the costs associated with olanzapine versus haloperidol in the treatment of patients with schizophrenia in the UK. Parameter values and outcome scores were derived mainly from an international clinical trial. Resource consequences were examined...

Objective: To compare the costs of 2 atypical drug therapies (olanzapine and risperidone) with one another and with a conventional antipsychotic (haloperidol) in the treatment of schizophrenia. Design and setting: The analysis is based on a simulation model with parameter values taken mainly...