Table 2.
All Antipsychotic Users | ||
---|---|---|
First Period Of Use | ||
(N=1727) | ||
Median (IQR) | ||
Coverage in days | 73 (18–231) | |
N | % | |
Antipsychotic classification | ||
Typical | 256 | 14.8 |
Phenothiazines | 44 | 17.2 |
Butyrophenone derivatives | 178 | 69.5 |
Thioxanthene derivatives | 1 | 0.4 |
Diphenylbutylpiperidine derivatives | 1 | 0.4 |
Clotiapine | 19 | 7.4 |
Benzamides excl amisulpride | 12 | 4.7 |
Atypical | 1471 | 85.2 |
Olanzapine, quetiapine | 1420 | 82.2 |
Amisulpride | 4 | 0.2 |
Other antipsychotics | 47 | 2.3 |
Switch to another AP class within period of use | ||
No | 1593 | 92.2 |
Yes, starting with: | 134 | 7.8 |
Typical | 64 | 47.8 |
Atypical | 70 | 52.2 |
Period of use | ||
Up to 3 months | 958 | 55.5 |
1 month | 526 | 54.9 |
2 months | 262 | 27.3 |
3 months | 170 | 17.7 |
More than 3 months | 769 | 44.6 |
4–6 months | 237 | 30.8 |
7–24 months | 242 | 31.5 |
> 24 months | 300 | 39.0 |
End of period due to: | ||
Discontinuation | 1479 | 85.6 |
Death | 3 | 0.1 |
Study end | 245 | 11.9 |
Abbreviations: AP, antipsychotic; IQR, interquartile range.