Table 4.

Clinical Antipsychotic Trials of Intervention Effectiveness Doses:^a Effects of Dose Equivalent Conversions

Drug Mean Dose	Derived CPZ Equivalent Dose	Derived Haloperidol Equivalent Dose	Woods/Davis CPZ Equivalent Dose
Olanzapine 20.1	421.05	7.89	400
Perphenazine 20.8	301.45	5.59	233
Quetiapine 543.4	382.39	7.65	724
Risperidone 3.9	295.45	5.91	233
Ziprasidone 112.8	223.37	4.25	188

CPZ, chlorpromazine

^aAll doses are in milligrams.