Derivation cohort: univariate analysis of patient medication prior to admission
| Variables | Delirium | No delirium | p Value |
|---|---|---|---|
| Antidepressants | 16 (30.8) | 59 (17.1) | 0.023 |
| Antidementia drugs | 5 (9.6) | 15 (4.3) | 0.16 |
| Antipsychotics | 8 (15.4) | 16 (4.6) | 0.007 |
| Anticonvulsants | 5 (9.6) | 15 (4.3) | 0.16 |
| Benzodiazepines | 23 (44.2) | 139 (40.3) | NS |
NS, not significant.