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BACKGROUND Our purpose was to evaluate health care use and cost patterns for clozapine compared with olanzapine in the treatment of schizophrenia. METHODS Health care outcomes were measured over a 1-year posttreatment period for episodes of antipsychotic therapy initiated between 1997 and 2002. Four episode categories were defined: restart after lapse in(More)
BACKGROUND It is uncertain whether the extra acquisition costs of atypical antipsychotics over typical antipsychotics are offset by their other reduced resource use especially in hospital services in China. This study compared the psychiatric-related health care resource utilization and direct medical costs for patients with schizophrenia initiating(More)
Objective: The purpose of this paper is to critique the list of independent variables commonly used in observational research and test the impact of variables for prior use and treatment history on estimates of treatment effects. Methods: Using data from the California Medicaid program, this study generated a series of OLS estimates of the effect of(More)
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