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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Am J Alzheimers Dis Other Demen. 2010 Jul 2;25(5):439–445. doi: 10.1177/1533317510370955

Table 2.

Crude and Adjusted Relative Hazard of Mortality (n=123)

Univariate Analyisisa(n=123) All Covariates (n=120) Final Model b (n=120)

HR 95% CI p value HR 95% CI p value HR 95% CI p value
Site 2c .62 .41–.96 .03 .63 .27–1.45 .28
Site 3c .49 .26–.92 .03 .39 .12–1.29 .12
Female gender .72 .47–1.09 .12 .96 .43–2.15 .92 .69 .41–1.15 .15
Age d 1.02 .98–1.05 .32 1.04 .99–1.10 .14 1.03 .98–1.08 .25
Years at nursing homee .97 .90–1.04 .37 1.02 .90–1.15 .80
Mixed or other dementia .69 .45–1.06 .09 .57 .30–1.09 .09 .59 .35–1.00 .05
Psychosis 1.12 .71–1.76 .62 1.03 .50–2.11 .94
Pulmonary disorders 1.43 .80–2.57 .23 .96 .42–2.18 .92
Diabetes Mellitus 1.32 .65–2.67 .44 1.74 .79–3.80 .17
Pneumonia 2.10 1.21–3.65 <.01 2.06 .93–4.56 .08 2.23 1.19–4.20 .01
Heart Disease 1.23 .81–1.87 .34 1.27 .69–2.33 .45
SIRSf score 6–13 g (n=121) 1.26 .74–2.15 .39 1.40 .63–3.13 .41 1.43 .76–2.69 .27
SIRS score 14+ g (n=121) .83 .47–1.46 .52 .72 .29–1.81 .48 .80 .38–1.66 .55
7 + years with symptoms h (n=122) .80 .52–1.23 .30 .68 .36–1.30 .24 .76 .46–1.27 .30
a

Missing data—SIRS scores (n=2), years since dementia symptoms began (n=1)

b

Final model includes gender, age, site, SIRS, dementia type, pneumonia, diabetes mellitus, and years with dementia symptoms

c

Reference category: Site 1

d

With every one year increase from mean age (81.5 years)

e

With every one year increase from mean years in nursing home (1.9 years)

f

Severe Impairment Rating Scale

g

Reference category: SIRS score 0–5

h

Reference category: 0–6 years with symptoms