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. Author manuscript; available in PMC: 2015 Mar 13.
Published in final edited form as: Am J Psychiatry. 2014 Dec 4;172(3):237–248. doi: 10.1176/appi.ajp.2014.13101355

Table 3.

Prescriptions For A Single Antipsychotic 300 Subjects

Medication Number of subjects prescribed a medication (may be prescribed several formulations)1 Percent Number prescribed oral formulation only or long acting formulation only Median dose (mg) 2 Mean dose (mg) 2 95% CI Dose range (mg) 2 Number prescribed higher than 2009 PORT dosing for multi-episode patients Number prescribed higher than 2009 PORT dosing for first episode patients3
risperidone 109 36.3%
Oral =107 3 5 2.9 5 2.6, 3.2 0.25–7.0 5 0 5 85
Long Acting =1 75 -- -- N/A N/A
olanzapine 51 17.0% Oral = 51 15 6 16.5 6 14.2, 18.7 2.5–40 6 8 6 226
aripiprazole 35 11.7% Oral = 35 10 7 10.0 7 8.3, 11.7 2–20 7 0 7 N/A
paliperidone 30 10.0%
Oral =17 6 5.8 4.7, 7.0 3–9 0 N/A
Long Acting = 13 136.5 7 149.5 7 121.9, 177.1 117–234 7 N/A N/A
quetiapine 28 9.2% Oral = 28 300 7 309.7 7 233.5, 386.0 20–800 7 1 7 N/A
haloperidol 21 7%
Oral =12 10 7 11.3 7 6.4, 16.1 3–30 7 3 7,8 N/A
Long Acting = 4 75 81.2 21.6, 140.9 50–125 N/A N/A
ziprasidone 12 4.0% Oral = 12 80 9 102.2 9 57.8, 146.7 40–200 9 1 9 N/A
lurasidone 4 1.3% Oral = 4 40 7 66.7 7 0, 181.4 40–120 7 N/A N/A
asenapine 2 0.7% Oral = 2 10 10 10 N/A N/A
Clozapine 2 0.7% Oral = 2 250 250 0,885.3 200–300 0 N/A
thiothixene 2 0.7% Oral = 2 5 5 5 0 N/A
chlorpromazine 1 0.3% Oral = 1 --7 --7 --7 --7 N/A
fluphenazine 1 0.3% Oral = 1 15 15 15 18 N/A
loxapine 1 0.3% Oral = 1 40 40 40 0 N/A
perphenazine 1 0.3% Oral = 1 4 4 4 0 N/A

N/A = not applicable

1

because some subjects were prescribed an oral and a long acting formulation of the same medication, the number of subjects who are prescribed a medication may be larger than the sum of the number prescribed only oral and only long acting formulations;

2

for subjects prescribed only oral medications or subjects prescribed only long acting medications; dose is total daily dose for oral medications and total dose per month for long acting medications (e.g. 75 mg for a subject receiving two 37.5 mg injections within a month period);

3

upper daily dose range limit of 15 mg for olanzapine and 5 mg for risperidone based upon 2009 PORT recommendations;

4

for subjects prescribed only long acting medication;

5

dosing data not available for 4 subjects;

6

dosing data not available for 2 subjects;

7

dosing data not available for 1 subject;

8

based on 2009 PORT maintenance therapy dose range;

9

dosing data not available for 3 subjects;