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Table 1 Individual and hospital characteristics of Aboriginal and non-Aboriginal people admitted with acute myocardial infarction

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

 

Aboriginal (n = 1183)

Non- Aboriginal (n = 58877)

χ2p-value

 

N

%

N

%

 

Individual characteristic

     

Age group

     

 25-34

47

4.0

421

0.7

<.001

 35-44

257

21.7

2829

4.8

 

 45-54

360

30.4

8579

14.6

 

 55-64

265

22.4

13144

22.3

 

 65-74

180

15.2

15410

26.2

 

 75-84

74

6.3

18481

31.4

 

Sex

     

 Male

727

61.5

39950

67.9

<.001

 Female

456

38.5

18914

32.1

 

Comorbid conditionsa

     

 Diabetes with     complications

279

23.6

8903

15.1

<.001

 Cardiac dysrhythmias

185

15.6

12539

21.3

<.001

 Congestive heart failure

154

13.0

8350

14.2

.254

 Pulmonary disease

136

11.5

5236

8.9

.002

 Chronic renal failure

96

8.1

4143

7.0

.152

 Acute renal failure

47

4.0

2729

4.6

.282

 Cerebrovascular     disease

36

3.0

2552

4.3

.030

 Paraplegia

25

2.1

1341

2.3

.707

 Cancer

15

1.3

1773

3.0

0.01

 Peripheral vascular     disease

12

1.0

1108

1.9

.029

 Shock

11

0.9

1195

2.0

.008

 Pulmonary oedema

9

0.8

685

1.2

.199

 Connective tissue     disorder

8

0.7

743

1.3

.073

 Dementia

5

0.4

506

0.9

.105

 Severe liver disease

2

0.2

103

0.2

.962

 Liver disease

1

0.1

113

0.2

.615

Socio-economic statusb

     

 1st quintile - least  disadvantaged

23

1.9

7832

13.3

<.001

 2nd quintile

109

9.2

9946

16.9

 

 3rd quintile

186

15.7

12726

21.6

 

 4th quintile

299

25.3

13102

22.3

 

 5th quintile - most  disadvantaged

566

47.8

15258

25.9

 

Remoteness of residencec

     

 Major city

307

26.0

34695

58.9

<.001

 Inner regional

359

30.3

16319

27.7

 

 Outer regional

366

30.9

7300

12.4

 

 Remote/very remote

151

12.8

550

0.9

 

Hospital characteristic

     

Remoteness of hospitalc

     

 Major city

389

32.9

39456

67.0

<.001

 Inner regional

247

20.9

11384

19.3

 

 Outer regional

414

35.0

7297

12.4

 

 Remote/very remote

133

11.2

726

1.2

 

Average acute admissions per year

 Less than 1200

88

7.4

1245

2.1

<.001

 1200-3899

182

15.4

3730

6.3

 

 3900-7084

138

11.7

3842

6.5

 

 7085-18399

443

37.4

19977

33.9

 

 18400 or more

332

28.1

30070

51.1

 

On-site angiography

     

 Yes

315

26.6

25694

43.6

<.001

 No

868

73.4

33170

56.4

 
  1. a Comorbid conditions with one-year look-back, including comorbidities on current admission and any admissions in the previous year.
  2. b Socio-Economic Indices for Areas (SEIFA) Index of Relative Socio-Economic Disadvantage population quintiles based on statistical local area of residence.
  3. c Accessibility/Remoteness Index of Australia (ARIA+) based on statistical local area of residence for individuals or hospital postcode for hospitals.
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BMC Public Health

ISSN: 1471-2458

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