Table 3. Major classes of overdose.
| Total (n = 676) | Incidence (%)a | |||
|---|---|---|---|---|
| Class | n | % | Prolonged ICU stay | Aspiration pneumonitis |
| Total | 676 | 10.2 | 10.7 | |
| 1. Benzodiazepine receptor agonists | 537 | 79.4 | 9.7 | 11.5 |
| 2. New-generation antidepressants | 169 | 25.0 | 9.5 | 11.8 |
| 3. Barbiturates/non-barbiturates | 155 | 22.9 | 17.4 | 23.9 |
| 4. First-generation antipsychotics | 148 | 21.9 | 10.1 | 13.5 |
| 5. Pain killers | 135 | 20.0 | 7.4 | 3.7 |
| 6. Second-generation antipsychotics | 131 | 19.4 | 9.2 | 13.0 |
| 7. Mood stabilizers | 117 | 17.3 | 7.7 | 9.4 |
| 8. Other classes | 116 | 17.2 | 5.2 | 3.4 |
| 9. Drugs affecting the gut | 77 | 11.4 | 7.8 | 11.7 |
| 10. Tricyclic antidepressants | 72 | 10.7 | 9.7 | 18.1 |
| 11. Antiparkinson drugs | 71 | 10.5 | 14.1 | 22.5 |
| 12. Other antidepressants | 63 | 9.3 | 12.7 | 11.1 |
| 13. Antiallergic drugs | 31 | 4.6 | 16.1 | 3.2 |
| 14. Other sedatives and hypnotics | 32 | 4.7 | 15.6 | 6.3 |
| 15. Cardiovascular drugs | 19 | 2.8 | 15.8 | 5.3 |
| 16. Anticonvulsants | 4 | 0.6 | 25.0 | 0.0 |
a The denominator was the number of patients who ingested a substance and the numerator was the number of incident cases among the patients.
ICU = intensive care unit