Table 1.
Prior and Adjunctive Pharmacological Treatments
| Quetiapine |
Olanzapine |
|||||
| Treatment prior to enrollment in the study | n | %a | %b | n | %a | %b |
| Total patients with prior treatmentc | 8 | 33.3 | 100.0 | 15 | 57.7 | 100.0 |
| Anticholinergics | 0 | 0.0 | 0.0 | 1 | 3.8 | 6.7 |
| Benzodiazepines | 2 | 8.3 | 25.0 | 5 | 19.2 | 33.3 |
| Antidepressants | 4 | 16.7 | 50.0 | 5 | 19.2 | 33.3 |
| Antipsychotics | 4 | 16.7 | 50.0 | 8 | 30.8 | 53.33 |
| Adjunctive treatment during participation in the study | n | %a | — | n | %a | — |
| Total patients with adjunctive treatmentc | 21 | 87.5 | — | 21 | 80.8 | — |
| Anticholinergics | 3 | 12.5 | — | 8 | 30.8 | — |
| Beta-blockers | 2 | 8.3 | — | 1 | 3.8 | — |
| Benzodiazepines | 14 | 58.3 | — | 17 | 65.4 | — |
| Antidepressants | 8 | 33.3 | — | 10 | 38.5 | — |
| Anticonvulsants | 7 | 29.2 | — | 7 | 26.9 | — |
| Lithium | 6 | 25.0 | — | 2 | 7.7 | — |
| Pain killers | 2 | 8.3 | — | 0 | 0.0 | — |
| Iron compounds | 1 | 4.2 | — | 0 | 0.0 | — |
| Nonsteroidal anti-inflammatory drugs | 1 | 4.2 | — | 0 | 0.0 | — |
| Cough medication | 1 | 4.2 | — | 0 | 0.0 | — |
a
Percentage calculated based on the total sample (quetiapine, n = 24; olanzapine, n = 25).
b
Percentage calculated based on the sample with prior treatment (quetiapine, n = 8; olanzapine, n = 14).
c
There were no significant differences between the 2 treatment groups (χ2; P > .05).