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Table 2 Demographic and clinical profile of IHD and MI patients at their first event

From: Disparities experienced by Aboriginal compared to non-Aboriginal metropolitan Western Australians in receiving coronary angiography following acute ischaemic heart disease: the impact of age and comorbidities

 

All IHD (n = 16,643 patients)

MI only (n = 8,133 patients)

 

Aboriginal

Non-Aboriginal

p value

Aboriginal

Non-Aboriginal

p value

 

n = 552 patients

n = 16,091 patients

 

n = 253 patients

n = 7,880 patients

 

Number of events

  

<0.001

  

<0.001

1

411 (74.5)

13,542 (84.2)

 

209 (82.6)

7,399 (93.9)

 

2

84 (15.2)

1,822 (11.3)

 

32 (12.6)

399 (5.1)

 

>2

57 (10.3)

727 (4.5)

 

12 (4.7)

82 (1.0)

 

Age groups

  

<0.001

  

<0.001

25-34 years

16 (2.9)

79 (0.5)

 

7 (2.8)

46 (0.6)

 

35-44 years

113 (20.5)

754 (4.7)

 

60 (23.7)

404 (5.1)

 

45-54 years

155 (28.1)

2,377 (14.8)

 

70 (27.7)

1,222 (15.5)

 

55-64 years

155 (28.1)

4,019 (25.0)

 

64 (25.3)

1,970 (25.0)

 

65-74 years

81 (14.7)

4,219 (26.2)

 

35 (13.8)

1,962 (24.9)

 

75-84 years

32 (5.8)

4,643 (28.9)

 

17 (6.7)

2,276 (28.9)

 

Sex: Female

270 (48.9)

5,628 (35.0)

<0.001

103 (40.7)

2,332 (29.6)

<0.001

SES quartiles

  

<0.001

  

<0.001

1st quartile(a)

289 (52.4)

4,000 (24.9)

 

129 (51.0)

1,845 (23.4)

 

2nd quartile

169 (30.6)

4,779 (29.7)

 

67 (26.5)

2,367 (30.0)

 

3rd quartile

62 (11.2)

3,651 (22.7)

 

40 (15.8)

1,807 (22.9)

 

4th quartile(b)

32 (5.8)

3,661 (22.8)

 

17 (6.7)

1,861 (23.6)

 

Coronary angiography in the last year

33 (6.0)

927 (5.8)

0.83

12 (4.7)

253 (3.2)

0.18

Comorbidities

      

Pre-existing IHD(c)

234 (42.4)

5,329 (33.1)

<0.001

90 (35.6)

1,904 (24.2)

<0.001

Chronic pulmonary disease

123 (22.3)

2,071 (12.9)

<0.001

45 (17.8)

914 (11.6)

0.003

Diabetes

293 (53.1)

4,179 (26.0)

<0.001

131 (51.8)

2,086 (26.5)

<0.001

HF

131 (23.7)

2,461 (15.3)

<0.001

72 (28.5)

1,465 (18.6)

<0.001

Kidney disease

98 (17.8)

1,302 (8.1)

<0.001

56 (22.1)

744 (9.4)

<0.001

Hospital at initial admission

  

<0.001

  

<0.001

Metropolitan tertiary

428 (77.5)

10,435 (64.8)

 

216 (85.4)

5,875 (74.6)

 

Metropolitan non-tertiary(d)

69 (12.5)

1,272 (7.9)

 

8 (3.2)

215 (2.7)

 

Private

55 (10.0)

4,384 (27.2)

 

29 (11.5)

1,790 (22.7)

 
  1. Statistical significance determined using chi-square tests.
  2. HF = heart failure; IHD = ischaemic heart disease; MI = myocardial infarction; SES = socio-economic status.
  3. (a)most disadvantaged; (b)least disadvantaged; (c)excluding incident IHD; (d)excluding private hospitals.
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International Journal for Equity in Health

ISSN: 1475-9276

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