Table 5. Psychotropics co-prescribed to patients discharged on antipsychotic polypharmacy (APP) and antipsychotic monotherapy (APM) (n=577).
| Psychotropic co-prescription | Total sample | APP | APM | Test statistic | df | p-value |
|---|---|---|---|---|---|---|
| Anticholinergic | 185 (32.0) | 73 (44.5) | 112 (27.1) | χ2 = 16.30 | 1 | < 0.001 |
| Mood stabilizer | ||||||
| Sodium valproate | 252 (43.6) | 87 (3.0) | 165 (39.9) | χ2 = 8.18 | 1 | 0.004 |
| Lithium | 84 (14.5) | 16 (9.7) | 68 (16.4) | χ2 = 4.24 | 1 | 0.039 |
| Lamotrigine | 3 (0.5) | 1 (0.6) | 2 (0.4) | Fisher’s exact test | - | 0.999 |
| Carbamazepine | 3 (0.5) | 1 (0.6) | 2 (0.4) | Fisher’s exact test | - | 0.999 |
| Topiramate | 1 (0.1) | 0 (0) | 1 (0.2) | Fisher’s exact test | - | 0.999 |
| Antidepressant | ||||||
| Amitriptyline | 1 (0.1) | 0 (0) | 1 (0.2) | Fisher’s exact test | - | 0.999 |
| Clomipramine | 1 (0.1) | 0 (0) | 1 (0.2) | Fisher’s exact test | - | 0.999 |
| Citalopram | 11 (1.9) | 2 (1.2) | 9 (2.1) | Fisher’s exact test | - | 0.737 |
| Fluoxetine | 21 (3.6) | 6 (3.6) | 15 (3.6) | χ2 = 0.00 | 1 | 0.988 |
| Venlafaxine | 2 (0.3) | 1 (0.6) | 1 (0.2) | Fisher’s exact test | - | 0.488 |
| Benzodiazepine | 41 (7.1) | 8 (4.8) | 33 (7.9) | χ2 = 1.72 | 1 | 0.189 |
Data presented as n (%).
APM = antipsychotic monotherapy; APP = antipsychotic polypharmacy; df = degrees of freedom.