Table 3 Fatal toxicity indices – number of suicides involving a given drug per individuals prescribed this drug relative to a. lithium or b. chlorpromazine
| Â | Odds ratio (95% CI) | |
|---|---|---|
Single drug only | Single plus first listed drug | |
A. Mood Stabilisers | ||
 Lithium | 1.0 | 1.0 |
 Sodium Valproate | 0.80 (0.31–2.07) | 0.58 (0.27–1.25) |
 Carbamazepine | 1.45 (0.61–3.45) | 1.47 (0.75–2.89) |
 Lamotrigine | 0.54 (0.17–1.77) | 0.78 (0.34–1.80) |
B. Antipsychotics | ||
 Chlorpromazine | 1.0 | 1.0 |
 Risperidone | 0.04 (0.01–0.29) | 0.05 (0.01–0.21) |
 Quetiapine | 1.26 (0.66–2.40) | 1.29 (0.77–2.15) |
 Olanzapine | 1.63 (0.87–3.05) | 1.46 (0.89–2.41) |