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Table 3 Adjusted odds ratios for selected individual covariates for 30-day and 365-day mortality multilevel models

From: Mortality after admission for acute myocardial infarction in Aboriginal and non-Aboriginal people in New South Wales, Australia: a multilevel data linkage study

 

30-day mortality

365-day mortality

 

AOR

95% CI

p-value

AOR

95% CI

p-value

Sex

      

 Male (ref)

1.00

 

.211

1.00

 

.853

 Female

1.04

0.98-1.11

 

1.01

0.95-1.06

 

Age group

      

 25-34

1.20

0.79-1.83

<.001

0.92

0.61-1.37

<.001

 35-44

0.73

0.59-0.91

 

0.58

0.48-0.72

 

 45-54

0.80

0.70-0.92

 

0.74

0.66-0.83

 

 55-64 (ref)

1.00

  

1.00

  

 65-74

1.52

1.38-1.68

 

1.70

1.57-1.85

 

 75-84

2.30

2.10-2.53

 

3.09

2.86-3.34

 

Comorbid conditionsa

      

 Shock

11.54

10.12-13.16

<.001

7.94

6.94-9.09

<.001

 Severe liver disease

3.80

2.36-6.11

<.001

2.60

1.63-4.17

<.001

 Cardiac dysrhythmias

2.69

2.53-2.86

<.001

2.18

2.06-2.30

<.001

 Dementia

2.30

1.87-2.84

<.001

2.72

2.25-3.30

<.001

 Cancer

2.18

1.92-2.47

<.001

4.45

4.00-4.95

<.001

 Acute renal failure

2.02

1.82-2.25

<.001

2.00

1.82-2.19

<.001

 Cerebrovascular disease

1.53

1.33-1.77

<.001

1.47

1.29-1.66

<.001

 Peripheral vascular disease

1.32

1.11-1.57

<.001

1.30

1.12-1.51

<.001

 Pulmonary disease

1.25

1.14-1.37

<.001

1.56

1.45-1.67

<.001

 Pulmonary oedema

1.22

0.99-1.51

.056

1.50

1.26-1.80

<.001

 Congestive heart failure

1.20

1.12-1.30

<.001

1.81

1.70-1.92

<.001

 Paraplegia

1.08

0.89-1.31

.424

1.43

1.21-1.69

<.001

 Chronic renal failure

1.06

0.95-1.17

.282

1.56

1.44-1.70

<.001

 Liver disease

0.97

0.55-1.69

.913

2.42

1.55-3.79

<.001

 Diabetes with complications

0.89

0.82-0.97

.007

1.10

1.03-1.18

.003

 Connective tissue disorder

0.81

0.62-1.04

.096

1.18

0.97-1.43

.090

Remoteness of residenceb

 Major city (ref)

1.00

 

.223

1.00

 

.685

 Inner regional

0.95

0.86-1.06

 

0.95

0.87-1.04

 

 Outer regional

1.08

0.94-1.24

 

1.00

0.89-1.12

 

 Remote/very remote

1.16

0.84-1.58

 

0.96

0.73-1.27

 

Socio-economic statusc

 1st quintile - least disadvantaged (ref)

1.00

 

.033

1.00

 

<.001

 2nd quintile

1.15

0.99-1.32

 

1.11

0.98-1.25

 

 3rd quintile

1.10

0.95-1.28

 

1.18

1.04-1.34

 

 4th quintile

1.17

1.00-1.36

 

1.23

1.08-1.39

 

 5th quintile - most disadvantaged

1.27

1.08-1.48

 

1.32

1.16-1.51

 
  1. Adjusted odds ratios for selected covariates from Model 5A for 30-day mortality and Model 5B for 365-day mortality.
  2. AOR, adjusted odds ratio; CI, confidence interval; Ref, referent group in the analysis.
  3. a Comorbid conditions with one-year look-back, including comorbidities on current admission and any admissions in the previous year.
  4. b Accessibility/Remoteness Index of Australia (ARIA+) based on statistical local area of residence.
  5. c Socio-Economic Indices for Areas (SEIFA) Index of Relative Socio-Economic Disadvantage population quintiles based on statistical local area of residence.