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Table 3 Comparative patient and facility characteristics among facilities with the highest and lowest quartile of NTHC use at dialysis initiation

From: Geographic and facility variation in initial use of non-tunneled catheters for incident maintenance hemodialysis patients

Characteristic

   
 

Lowest quartile NTHC

Highest quartile NTHC

P Value

N

5013(51.9)

4651(48.1)

 

% with temp CVC

24.8

75.2

 

 Age (mean ± SD)

64.0 ± 15.5

64.8 ± 15.6

0.01

 Sex % male

57.9

59.2

0.395

 BMI (mean ± SD)

27.4 ± 6.7

27.6 ± 6.8

0.123

 Race (%)

  

<0.001

  Caucasian

70.9

74.2

 

  East Asian

5.9

5.1

 

  Aboriginal

7.8

6.1

 

  South Asian

2.5

3.8

 

  Black

4.2

3.9

 

  Other

6.2

3.4

 

  Unknown

2.5

3.6

 

 Pre-dialysis care >90 days %

61.1

56.8

<0.0001

 Pre-dialysis care >365 days %

42.3

38.1

<0.0001

 Co-morbidities %

   

  Acute coronary syndrome

26.3

25.1

0.177

  Pulmonary edema

33.1

29.9

0.001

  Diabetes mellitus

48.8

44.0

<0.001

  Stroke

14.9

16.9

0.006

  Peripheral vascular disease

21.2

23.0

0.035

  Malignancy

14.9

15.9

0.150

  Lung disease

13.7

14.6

0.179

  Hypertension medications

85.0

77.8

<0.001

  Current smoker

14.8

19.3

<0.001

  CABG

13.3

14.7

0.056

  Serious Illness

14.5

16.3

0.015

  Angina

26.4

24.4

0.03

 Cause of ESRD %

  

<0.001

  Hypertension

22.0

23.4

 

  Diabetes mellitus

38.1

28.6

 

  Glomerulonephritis

13.6

11.3

 

  Obstruction

2.8

2.1

 

  Interstitial

2.8

1.8

 

  Polycystic kidney disease

2.8

2.0

 

  Other

8.0

20.5

 

  Unknown

10.0

10.3

 

 eGFR at dialysis initiation (mean ± SD)

9.4 ± 4.5

9.8 ± 4.6

<0.0001

 Hemoglobin g/L (mean ± SD)

97.9 ± 17.3

98.2 ± 17.8

0.341

 Phosphate mmol/L (mean ± SD)

2.0 ± 0.7

2.0 ± 0.7

<0.0001

 Albumin g/L (mean ± SD)

31.3 ± 0.9

29.8 ± 0.9

<0.0001

 Distance from facility %

  

<0.0001

   < 50 km

75.2

72.0

<0.0001

  50-150

18.6

16.6

 

   > 150

6.2

11.4

 

Facility Characteristics

   

 Mean number of incident patients (per year)

78.8 ± 30.3

68.6 ± 35.4

<0.0001

 Transplant facility %

31.6

28.4

0.001

 Peritoneal dialysis facility %

99.6

70.5

<0.0001

 eGFR at dialysis initiation (facility mean ± SD)

9.7 ± 1.1

9.6 ± 1.2

0.001

 Hemoglobin g/L (facility mean ± SD)

101.6 ± 3.5

101.7 ± 4.2

0.176

 Phosphate mmol/L (facility mean ± SD)

1.9 ± 0.2

1.9 ± 0.1

<0.0001

 Distance from facility km (facility mean ± SD)

42.2 ± 34.7

66.9 ± 41.5

<0.0001

  1. NTHC non-tunelled hemodialysis catheter, N Number, eGFR estimated glomerular filtration rate, SD standard deviation, BMI body mass index, IQR intra-quartile range, CABG coronary artery bypass graft, ESRD end-stage renal disease, g/L grams per liter, mmol/L millimoles per liter, AVF arteriovenous fistula
  2. eGFR was estimated glomerular filtration rate in ml/min/1.73 m2 by the 4 variable MDRD equation, km kilometer