Table 3

Characteristics of antipsychotic drugs at the start of the study
Drug n Percent (%) of prescribings Dose, mean ± SD Median Dose (mg) Range (mg) Mean Dose (mg) Haloperidol equivalents Halo-peridol
1 mg equivalent dosesa
First generation AP
Haloperidol 25 17.0 2.1±3.1 1.0 0.5-16 2.1 1
Levomepromazine 12 8.1 19.6±15.6 15.0 5-50 0.4 50
Zuclopenthixol 6 4.1 3.7±2.0 3.0 2-6 0.7 5
Dixyrazine 5 3.4 32.0±38.3 20.0 10-100 1.1 30
Melperone 4 2.7 33.8±11.1 30.0 25-50 0.8 40
Perphenazine 4 2.7 7.8±5.9 6.0 3-16 1.9 4
Chlorpromazine 1 0.7 100.0 2.0 50
Second generation AP
Risperidone 62 42.2 1.1±1.1 0.8 0.25-8 1.1 1
Olanzapine 18 12.2 6.9±5.1 5.0 3-20 2.3 3
Ziprasidone 6 4.1 60.0±31.0 50.0 40-120 1.5 40
Clozapine 3 2.0 216.7±332.0 25.0 25-600 4.3 50
Quetiapine 1 0.7 50.0 0.3 150

Number of prescriptions=147, number of persons taking AP=132, AP=antipsychotic drugs. a[24].

Gustafsson et al.

Gustafsson et al. BMC Pharmacology and Toxicology 2013 14:10   doi:10.1186/2050-6511-14-10

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