Table 4 Reporting ratio and ROR for antipsychotic polypharmacy
| Â | Drugs * | Total | Cases ** | Reporting ratio (%) | ROR (95%CI) |
|---|---|---|---|---|---|
Atypical | Â | Â | Â | Â | Â |
| Â | Aripiprazole | Â | Â | Â | Â |
| Â | mono | 11457 | 1645 | 14.4 | 1.4(1.3-1.5) |
| Â | two | 3499 | 927 | 26.5 | 3.0(2.8-3.3) |
| Â | three | 1099 | 606 | 55.1 | 10.3(9.1-11.6) |
| Â | Clozapine | Â | Â | Â | Â |
| Â | mono | 13466 | 1515 | 11.3 | 1.1(1.0-1.1) |
| Â | two | 3486 | 584 | 16.8 | 1.7(1.5-1.8) |
| Â | three | 750 | 164 | 21.9 | 2.3(2.0-2.8) |
| Â | Olanzapine | Â | Â | Â | Â |
| Â | mono | 13935 | 4226 | 30.3 | 3.7(3.6-3.8) |
| Â | two | 4862 | 1908 | 39.2 | 5.4(5.1-5.8) |
| Â | three | 1904 | 1121 | 58.9 | 12.0(11.0-13.2) |
| Â | Quetiapine | Â | Â | Â | Â |
| Â | mono | 32942 | 7114 | 21.6 | 2.3(2.3-2.4) |
| Â | two | 6413 | 2556 | 39.9 | 5.6(5.3-5.9) |
| Â | three | 2175 | 1441 | 66.3 | 16.5(15.1-18.0) |
| Â | Risperidone | Â | Â | Â | Â |
| Â | mono | 13820 | 2154 | 15.6 | 1.5(1.5-1.6) |
| Â | two | 4860 | 1476 | 30.4 | 3.7(3.4-3.9) |
| Â | three | 1917 | 1128 | 58.8 | 12.0(10.9-13.1) |
Typical | Â | Â | Â | Â | Â |
| Â | Chlorpromazine | Â | Â | Â | Â |
| Â | mono | 1117 | 175 | 15.7 | 1.6(1.3-1.8) |
| Â | two | 724 | 179 | 24.7 | 2.7(2.3-3.2) |
| Â | three | 355 | 142 | 40.0 | 5.6(4.5-6.9) |
| Â | Haloperidol | Â | Â | Â | Â |
| Â | mono | 5604 | 1420 | 25.3 | 2.8(2.7-3.0) |
| Â | two | 3102 | 704 | 22.7 | 2.5(2.3-2.7) |
| Â | three | 1079 | 448 | 41.5 | 5.9(5.3-6.7) |
| Â | Prochlorperazine | Â | Â | Â | Â |
| Â | mono | 8514 | 1634 | 19.2 | 2.0(1.9-2.1) |
| Â | two | 487 | 111 | 22.8 | 2.5(2.0-3.0) |
| Â | three | 62 | 26 | 41.9 | 6.0(3.6-10.0) |