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Table 2 Descriptive characteristics of RHD valve surgery patients stratified by Indigenous status

From: A review of valve surgery for rheumatic heart disease in Australia

 

Aboriginal and/or Torres Strait Islander

Non-Indigenous Australian

P value

N = 174

N = 1210

Age (years)

37.4

65.1

<0.001

(Median (IQR))

(26.9 – 49.1)

(55.5 – 72.8)

Sex (% female)

67.2

64.0

0.411

(95% CI)

(59.7 – 74.2)

(61.3 – 66.8)

Concomitant CABG

9.8

22.9

<0.001

(%, 95% CI)

(5.8 – 15.2)

(20.6 – 25.4)

Area of residence

   

Remote and very remote

54.1

1.6

<0.001

(% RA category 3 & 4, 95% CI)

(46.3 – 61.7)

(1.0 – 2.4)

Inner and outer regional

39.5

33.3

0.108

(% RA category 1 & 2, 95% CI)

(32.2 – 47.3)

(30.7 – 36.1)

Major city

6.4

65.1

<0.001

(%, 95% CI)

(3.2 – 11.2)

(62.3 – 67.8)

Pre-surgery comorbidities

   

Diabetes

24.3

19.8

0.167

(%, 95% CI)

(18.1 – 31.4)

(17.5 – 22.1)

Elevated Creatinine

2.9

2.7

0.912

(% Cr > =200 μmol/L) (95% CI)

(0.9 – 6.6)

(1.9 – 3.8)

Chronic kidney disease (% eGFR < 60 mL/min/1.73 m2)

14.4

33.5

<0.001

(95% CI)

(9.5 – 20.5)

(30.8 – 36.2)

Hypertension

37.0

55.3

<0.001

(%, 95% CI)

(29.8 – 44.7)

(52.4 – 58.1)

Previous smoking

64.2

51.0

<0.001

(%, 95% CI)

(56.5 – 71.3)

(48.2 – 53.9)

Current smoking

55.4

19.7

<0.001

(%, 95% CI)

(45.7 – 64.8)

(16.7 – 23.1)

Pre-operative status

   

NYHA classes III & IV

47.1

53.1

0.138

(%, 95% CI)

(39.5 – 54.8)

(50.3 – 56.0)

Atrial fibrillation

33.3

41.6

0.039

(%, 95% CI)

(26.4 – 40.9)

(38.8 – 44.4)

LVEF >45%

83.9

84.7

0.784

(%, 95% CI)

(77.6 – 89.0)

(82.6 – 86.7)

LVEF 30 – 45%

11.5

10.8

0.792

(%, 95% CI)

(7.2 – 17.2)

(9.1 – 12.7)

LVEF <30%

3.4

2.1

0.249

(%, 95% CI)

(1.3 – 7.4)

(1.3 – 3.1)

Previous procedures

   

Valve surgery

16.1

13.1

0.287

(%, 95% CI)

(11.0 – 22.4)

(11.3 – 15.2)

PBV

29.5

19.5

0.124

(%, 95% CI)

(16.8 – 45.2)

(15.3 – 24.3)

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BMC Cardiovascular Disorders

ISSN: 1471-2261

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