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Table 2 Predictors of hospital and one-year mortality in patients aged 85 years and older

From: Premorbid functional status as an outcome predictor in intensive care patients aged over 85 years

Predictors of hospital mortality

Univariable analysis

  

Multivariable analysis

  
 

OR

95% CI

p- value

Adjusted OR

95% CI

p-value

Agea

1.05

1.01–1.09

0.019

1.06

1.01–1.11

0.024

Male gender1

1.45

1.18–1.79

 < 0.001

1.25

0.97–1.61

0.079

Type of admission2

      

Scheduled surgical

reference

  

reference

  

Emergency surgical

7.24

4.01–13.08

 < 0.001

3.88

2.09–7.19

 < 0.001

Medical

11.48

6.51–20.27

 < 0.001

4.73

2.61–8.57

 < 0.001

SAPS II without admission type pointsb

1.09

1.08–1.10

 < 0.001

1.08

1.07–1.09

 < 0.001

Poor premorbid functional status3

1.79

1.35–2.37

 < 0.001

1.57

1.13–2.19

0.007

Predictors of one-year mortality

Univariable analysis

  

Multivariable analysis

  
 

OR

95% CI

p-value

Adjusted OR

95% CI

p-value

Agea

1.10

1.06–1.14

 < 0.001

1.10

1.06–1.14

 < 0.001

Male gender1

1.23

1.03–1.47

0.022

1.12

0.91–1.37

0.275

Type of admission2

      

Scheduled surgical

Reference

  

Reference

  

Emergency surgical

4.66

3.33–6.51

 < 0.001

2.95

2.08–4.19

 < 0.001

Medical

6.96

5.10–9.50

 < 0.001

4.03

2.91–5.57

 < 0.001

SAPS II without admission typeb

1.07

1.06–1.08

 < 0.001

1.06

1.05–1.07

 < 0.001

Poor premorbid functional status3

2.43

1.95–3.03

 < 0.001

2.15

1.68–2.76

 < 0.001

  1. aFor each additional year of age, bfor each additional point. OR odds ratio, CI confidence interval, SAPS II Simplified Acute Physiology Score; Poor premorbid functional status: a person dependent on assistance in activities of daily living or unable to climb stairs without assistance. The reference categories for categorical variables: 1female gender, 2scheduled surgical admission, 3good premorbid functional status