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Table 1 Baseline patient characteristics of the complete cohorts

From: Burden of kidney failure from atheroembolic disease and association with survival in people receiving dialysis in Australia and New Zealand: a multi-centre registry study

Characteristics

All KF

KF from atheroembolic disease

KF all other causes

P-value

N=

65,266

334

64,932

 

Age at cohort entry (years)

59 (49–71)

72 (68–76)

61 (49–71)

< 0.001

Male sex

39,235 (60%)

270 (81%)

38,965 (60%)

< 0.001

Primary kidney disease

   

< 0.001

 Atheroembolic

 

334 (100%)

  

 Diabetic nephropathy

  

21,811 (33%)

 

 Glomerulonephritis

  

15,879 (24%)

 

 Reflux nephropathy

  

1890 (3%)

 

 Polycystic disease

  

3944 (6%)

 

 Hypertension

  

8339 (13%)

 

 Other

  

8866 (14%)

 

 Uncertain

  

3716 (6%)

 

 Not reported

  

487 (1%)

 

Ethnicity

   

< 0.001

 Caucasian

45,720 (70%)

321 (96%)

45,399 (70%)

 

 All Other

19,544 (30%)

13 (4%)

19,531 (30%)

 

BMI (kg/m2)a

   

< 0.001

  < 18.5

2165 (3%)

16 (5%)

2149 (3%)

 

 18.5–24.9

22,195 (35%)

174 (54%)

22,021 (35%)

 

 25–29.9

19,875 (32%)

102 (31%)

19,773 (32%)

 

  ≥ 30

18,702 (30%)

33 (10%)

18,669 (30%)

 

Comorbiditiesb

 Diabetes mellitus

28,147 (44%)

76 (23%)

36,141 (56%)

< 0.001

 CAD

19,920 (31%)

265 (80%)

19,920 (31%)

< 0.001

 PVD

11,653 (18%)

195 (59%)

11,458 (18%)

< 0.001

 Chronic lung disease

7986 (12%)

77 (23%)

7909 (12%)

< 0.001

 Cerebrovascular disease

7030 (11%)

104 (32%)

6926 (11%)

< 0.001

Current smokingc

8532 (13%)

43 (13%)

8489 (13%)

0.85

Country at cohort entry

   

< 0.001

 Australia

53,697 (83%)

318 (95%)

53,649 (83%)

 

 New Zealand

11,299 (17%)

16 (5%)

11,283 (17%)

 

Late referrald

13,127 (21%)

154 (51%)

12,973 (21%)

< 0.001

Kidney biopsye

18,903 (29%)

92 (28%)

18,811 (29%)

0.92

Dialysis Era

 1990–1998

13,282 (20%)

96 (29%)

13,186 (20%)

< 0.001

 1999–2007

21,521 (33%)

174 (52%)

21,347 (32%)

 

 2008–2017

30,463 (47%)

64 (19%)

30,399 (46%)

 

First dialysis modality

   

< 0.001

 Facility HD

46,540 (71%)

275 (82%)

46,265 (71%)

 

 PD

18,441 (28%)

59 (18%)

18,382 (28%)

 

 HHD

285 (0.5%)

0

285 (0.44%)

 
  1. Values are expressed as frequency (percentage) for categorical variables, mean ± standard deviation for normally distributed continuous variables, and median (interquartile range) for non-normally distributed continuous variables
  2. BMI Body Mass Index, CAD Coronary Artery Disease, CVD Composite Cardiovascular Disease; HD Hemodialysis, HHD Home Hemodialysis, KF Kidney Failure, N Number, PD Peritoneal Dialysis, PVD Peripheral Vascular Disease
  3. aData on BMI were missing for 4% of patients
  4. bData on comorbidities were missing for less than 2% of patients
  5. cData on smoking status were missing for 3% of patients
  6. dData on late referral were missing for 6% of patients
  7. eData on Kidney Biopsy were missing for 8.6% of patients
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BMC Nephrology

ISSN: 1471-2369

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