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Table 1 Baseline patient, facility and geographic characteristics of the study cohort according to individuals who initiated dialysis with non-tunneled temporary vs. tunneled hemodialysis catheters

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

Characteristic    
  NTHC tCVC pvalue
N 10, 162 (48.3) 10,890 (51.7)  
Patient Characteristics:    
 Age (± SD) 64.6 ± 15.5 64.6 ± 16.2 0.705
 Sex % male 59.4 57.4 0.004
 BMI (± SD) 27.3 ± 6.6 27.5 ± 6.7 0.052
 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 % 53.2 64.3 <0.001
 Pre-dialysis care >365 days % 34.2 45.6  
 Co-morbidities: %    
  Angina 27.2 23.9 <0.001
  Acute coronary syndrome 26.5 24.8 0.003
  Pulmonary edema 34.1 29.4 <0.001
  Diabetes mellitus 46.7 49.3 <0.001
  Stroke 16.9 16.5 0.437
  Peripheral vascular disease 23.3 21.6 0.003
  Malignancy 15.1 15.3 0.788
  Lung disease 14.9 13.4 0.002
  Any hypertension medication(s) 81.3 85.6 <0.001
  Current smoker 16.9 15.7 0.034
  CABG 16.4 16.4 0.970
  Serious Illness 16.0 16.2 0.708
 Cause of ESRD %    <0.001
  Hypertension 23.6 21.4  
  Diabetes mellitus 33.8 38.2  
  Glomerulonephritis 12.7 14.3  
  Obstruction 2.7 2.8  
  Interstitial 2.8 2.6  
  Polycystic kidney disease 1.8 2.8  
  Other 13.1 8.6  
  Unknown 9.5 9.2  
 eGFR at dialysis initiation (± SD) 9.6 ± 4.7 9.6 ± 4.4 0.435
 Hemoglobin g/L (mean ± SD) 97.5 ± 17.7 98.9 ± 16.9 <0.001
 Phosphatemmol/L (mean ± SD) 2.0 ± 0.8 2.0 ± 0.7 <0.001
 Albumin g/L (mean ± SD) 30.3 ± 0.9 30.7 ± 0.9 <0.001
 Distance from facility %    <0.001
   < 50 km 73.8 76.7  
  50-150 16.2 15.4  
   > 150 10.0 7.9  
Facility Characteristics* (N = 61)    
 Mean number of incident patients (per year) 51.3 ± 34.4 60.0 ± 42.4 <0.0001
 Transplant facility % 47.7 52.3 <0.0001
 Peritoneal dialysis facility % 45.9 54.1 <0.0001
 Mean eGFR at dialysis initiation (± SD) 9.7 ± 1.1 9.6 ± 1.2 0.001
 Mean Hemoglobin g/L (± SD) 102.0 ± 3.5 102.0 ± 3.4 0.256
 Mean Phosphate mmol/L (± SD) 1.9 ± 0.1 1.9 ± 0.1 0.002
 Mean distance from facility km (± SD) 56.3 ± 40.7 50.0 ± 39.6 <0.0001
  1. N Number, 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 millimole per liter, AVF arteriovenous fistula, eGFR estimated glomerular filtration rate in ml/min/1.73 m2 by the 4 variable MDRD equation, km kilometer