Table 3.
Dosages of Antipsychotics Over Time
| 2000–2003 | 2004–2007 | 2008–2011 | 2012–2015 | ANOVA | P value | |
|---|---|---|---|---|---|---|
| Amisulpride | 599.78 (256.20) | 621.87 (305.37) | 610.67 (303.72) | 549.89 (280.94) | F(3,2868) = 9.07 | <.001 |
| Aripiprazole | 18.58 (8.6) | 16.74 (8.36) | 15.6 (7.88) | F(2,2329) = 92.9 | <.001 | |
| Clozapine | 363.56 (194.38) | 358.51 (214.77) | 345.96 (201.92) | 326.57 (186.06) | F(3,6495) = 10.62 | <.001 |
| Haloperidol | 14.23 (9.02) | 12.73 (8.84) | 11.34 (7.76) | 10.81 (8.10) | F(3,4118) = 30.42 | <.001 |
| Olanzapine | 18.60 (6.95) | 19.08 (8.44) | 18.94 (7.91) | 18.82 (8.35) | F(3,6295) = 0.93 | .424 |
| Quetiapine | 566.19 (262.18) | 645.80 (353.56) | 575.34 (297.53) | 478.56 (263.75) | F(3,4318) = 60.38 | <.001 |
| Risperidone | 4.72 (1.72) | 4.46 (1.94) | 4.51 (2.01) | 4.20 (1.98) | F(3,5434) = 13.57 | <.001 |
Table 3 shows the dosages of all antipsychotics administered in more than 10% of patients in 2015. Mean values and their SD are shown in mg. P values are derived from 1-way ANOVAs.