Table 2.

Odds of death or functional decline, adjusting for age, sex, and frailty.

	At hospital discharge N = 77		At 6 month follow-up N = 71
Model includes	p value	OR (95% CI)	p value	OR (95% CI)
Age	0.7	1.0 (0.9, 1.1)	0.2	1.0 (1.0, 1.1)
sex	0.4	1.5 (0.5, 4.4)	0.9	1.1 (0.3, 3.4)
Frailty (GSS)	0.008	2.0 (1.2, 3.5)	0.03	1.8 (1.1, 3.2)
Length of admission	0.8	1.0 (1.0, 1.0)	0.5	1.0 (1.0, 1.0)
Duration of delirium	0.2	1.1 (1.0, 1.2)	0.08	1.2 (1.0, 1.4)
BI admission	0.8	1.0 (1.0, 1.0)	0.9	1.0 (0.9, 1.0)
Meds causing delirium	0.1	0.4 (0.1, 1.2)	0.02	0.3 (0.1, 0.8)
Cause: Meds	Baseline		Baseline
Infection	0.9	0.9 (0.2, 5.8)	0.4	2.2 (0.3, 15.1)
Cardiac	0.02	8.0 (1.3, 47.6)	0.06	9.2 (0.9, 91.3)
Metabolic	1.0	0.9 (0.0, 19.6)	0.08	3.3 (0.9, 12.5)
Other/combo	0.2	2.4 (0.7, 8.5)	**	**
Poor recognition	**	**	0.008	18.2 (2.2, 153.2)
Agitation	0.02	0.1 (0.0, 0.6)	0.2	0.4 (0.1, 1.8)
MMSE when assessed	0.1	0.9 (0.9, 1.0)	0.2	0.9 (0.8, 1.0)
Dementia severity	0.9	1.0 (0.6, 1.7)	0.9	1.0 (0.5, 2.0)
Dementia: none	Baseline		Baseline
Mild	0.2	0.4 (0.1, 1.8)	0.6	0.7 (0.2, 3.0)
Moderate	0.8	0.8 (0.2, 3.1)	0.7	0.8 (0.2, 3.5)
Severe	0.7	1.6 (0.1, 20.5)	**	**
Change in BI: pre-morbid to discharge			0.07	0.9 (0.9, 1.0)
BI at hospital discharge			0.1	1.0 (0.9, 1.0)

** unable to construct model as success is predicted perfectly

CI = confidence interval, OR = odds ratio, GSS = Geriatric severity score [21], MMSE = Mini-Mental State Examination, BI = Barthel Index.