Research Article
Delirium in Australian Hospitals: A Prospective Study
Table 3
Significant predictors of delirium and adverse outcomes in hospitalized older patients.
| Outcome | Predictor | Odds ratio | 95% confidence interval | value |
| Delirium at admission | Diagnosis of dementia | 3.18 | 1.65–6.14 | <0.001** | Age | 1.09 | 1.03–1.14 | <0.001** |
| Incident delirium | Diagnosis of dementia | 4.82 | 2.19–10.62 | <0.001** | Length of stay | 1.08 | 1.05–1.12 | <0.001** |
| Delirium not resolved by discharge | No variables significant | | | |
| Falls in hospital | Length of stay | 1.07 | 1.05–1.11 | <0.001** | Delirium at admission | 2.83 | 0.99–8.02 | 0.050 |
| In-hospital mortality | Delirium at admission | 5.19 | 1.27–21.24 | 0.022* | Incident delirium | 31.07† | 9.30–103.78 | <0.001** |
| Deceased at 28 days of followup | VES-13 score | 1.71 | 1.14–2.57 | 0.009* | Length of stay | 1.04 | 1.00–1.08 | 0.034* |
| Discharged to a higher care level | Length of stay | 1.10 | 1.07–1.14 | <0.001** | Age | 1.14 | 1.06–1.23 | 0.001* | Male gender | 4.18 | 1.16–15.09 | 0.029* |
| Readmission to hospital within 28 days after discharge | No variables significant | | | |
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Of the 14 patients who died in hospital, 9 had incident delirium. *; **.
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