Table 5.
Most Frequent Antipsychotic Combination Pairs
| 2000 | % | 2015 | % | |
|---|---|---|---|---|
| 1 | Haloperidol + Olanzapine | 3.8 | Quetiapine + Risperidone | 10.9 |
| 2 | Haloperidol + Clozapine | 3.7 | Quetiapine + Aripiprazole | 9.8 |
| 3 | Haloperidol + Risperidone | 2.6 | Olanzapine + Aripiprazole | 6.5 |
| 4 | Clozapine + Amisulpride | 2.2 | Olanzapine + Risperidone | 5 |
| 5 | Benperidol + Clozapine | 2.2 | Clozapine + Aripiprazole | 5 |
| 6 | Clozapine + Olanzapine | 1.7 | Haloperidol + Quetiapine | 4.5 |
| 7 | Haloperidol + Quetiapine | 1.3 | Olanzapine + Quetiapine | 4.5 |
| 8 | Haloperidol + Perazine | 1.3 | Clozapine + Amisulpride | 4.3 |
| 9 | Clozapine + Risperidone | 1.1 | Haloperidol + Olanzapine | 3.5 |
| 10 | Flupenthixol + Olanzapine | 1.1 | Haloperidol + Clozapine | 3.5 |
Table 5 shows the most frequent antipsychotic combination pairs in 2000 compared with 2015 in percent of patients. Combinations of more than 2 antipsychotics were counted accordingly for all possible combinations of 2 drugs. In grey shade, the combination pairs which were present in 2000 and 2015 are highlighted.