Skip to main content

Table 4 Odds ratios for the final variables retained in the predictive algorithm

From: Using routine inpatient data to identify patients at risk of hospital readmission

Parameter

Odds ratio

95% CI

p-value

Age Group

   

0–17 years

1.00

-

 

18–39 years

0.94

0.74–1.19

0.60

40–64 years

1.09

0.88–1.36

0.43

65–74 years

1.32

1.06–1.65

0.02

75+ years

1.30

1.05–1.61

0.02

SEIFA1

   

Most disadvantaged

1.00

-

 

Quintile 2

0.85

0.78–0.94

0.001

Quintile 3

0.96

0.86–1.06

0.39

Quintile 4

0.79

0.71–0.89

0.0001

Least Disadvantaged

0.80

0.68–0.94

0.007

ARIA2

   

Major city

1.00

-

 

Inner Regional

1.01

0.92–1.11

0.81

Outer Regional

1.10

1.00–1.22

0.04

Remote

1.30

1.04–1.62

0.02

Very Remote

1.36

1.08–1.73

0.01

Co-morbidities

   

Anaemia

1.31

1.16–1.47

0.001

Acute coronary syndrome

1.14

1.04–1.25

0.005

Heart failure

1.25

1.12–1.38

<0.0001

Peripheral vascular disease

1.32

1.10–1.58

0.003

Malignant neoplasms

1.29

1.10–1.51

0.002

COPD

1.21

1.10–1.34

0.0002

Mental disorder (alcohol)

1.42

1.16–1.74

0.001

Diabetes

1.27

1.16–1.39

<0.0001

Chronic renal failure

1.30

1.12–1.52

0.001

Mood disorders

1.22

1.00–1.50

0.06

Liver diseases

1.45

1.06–1.99

0.02

Any previous admission

   

Past year

   

None

1.00

-

 

One

1.14

1.01–1.28

0.03

Two or more

1.63

1.38–1.91

<0.0001

Past 3 years

   

None

1.00

-

 

One

1.45

1.31–1.62

<0.0001

Two or more

1.74

1.53–1.98

<0.0001

  1. 1Socio-Economic Indexes for Areas
  2. 2Accessibility/Remoteness Index of Australia