Current Gerontology and Geriatrics Research / 2013 / Article / Tab 3

Research Article

Delirium in Australian Hospitals: A Prospective Study

Table 3

Significant predictors of delirium and adverse outcomes in hospitalized older patients.

OutcomePredictorOdds ratio95% confidence interval value

Delirium at admissionDiagnosis of dementia3.181.65–6.14<0.001**

Incident deliriumDiagnosis of dementia4.822.19–10.62<0.001**
Length of stay1.081.05–1.12<0.001**

Delirium not resolved by dischargeNo variables significant

Falls in hospitalLength of stay1.071.05–1.11<0.001**
Delirium at admission2.830.99–8.020.050

In-hospital mortalityDelirium at admission5.191.27–21.240.022*
Incident delirium31.079.30–103.78<0.001**

Deceased at 28 days of followupVES-13 score1.711.14–2.570.009*
Length of stay1.041.00–1.080.034*

Discharged to a higher
care level
Length of stay1.101.07–1.14<0.001**
Male gender4.181.16–15.090.029*

Readmission to hospital
within 28 days
after discharge
No variables significant

Of the 14 patients who died in hospital, 9 had incident delirium. * ; ** .

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