Table 1

Impact of advice on number of items prescribed.

DrugChange in mean monthly number of items prescribed95% CIP-value
Chlorpromazine hydrochloride160−10 to 3200.06
Haloperidol12060 to 180<0.001
Olanzapine60−40 to 1600.2
Risperidone50−90 to 1800.5
Thioridazine−810−1200 to −420<0.001