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Tuesday 01 May 2001

Comparison of discharge rates and drug costs for patients with schizophrenia treated with risperidone or olanzapine.

By: Kelly DL, Nelson MW, Love RC, Yu Y, Conley RR.

Psychiatr Serv 2001 May;52(5):676-8

This study compared the discharge rates and drug costs of 789 patients with schizophrenia or schizoaffective disorder who began pharmacotherapy with olanzapine or risperidone between July 1997 and June 1998. Discharge rates 30 days after the start of treatment were 45 percent for the patients treated with risperidone and 32 percent for those treated with olanzapine (p=.001). Daily drug costs during the same period were $6.42 for risperidone and $12.29 for olanzapine (p<.001). For risperidone, lower dosages were associated with higher hospital discharge rates, whereas no significant association was observed for olanzapine. These data suggest that among inpatients with schizophrenia or schizoaffective disorder, use of risperidone results in a higher discharge rate and a lower drug cost than use of olanzapine.

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