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Table 1 Baseline characteristics

From: Risk factors associated with hemodialysis central venous catheter malfunction; a retrospective analysis of a randomized controlled trial

Patient characteristics Overall (N = 225) No CVC malfunction (N = 163) CVC malfunction (N = 62)
Treatment    
Rt-PA Group 110 (48.9%) 88 (54.0%) 22 (35.5%)
Heparin only Group 115 (51.1%) 75 (46.0%) 40 (64.5%)
Age -yr, mean ± SD 63.2 (15.9) 62.4 (16.6) 65.4 (14.0)
Female sex – no. (%) 88 (39.1%) 58 (35.6%) 30 (48.4%)
Duration of dialysis –yr, median (IQR) 1.0 (0.0 - 6.0) 1.0 (0.0 - 6.0) 0.0 (0.0 - 1.0)
Central venous catheter Indication - no. (%):    
Starting dialysis without peripheral access 118 (52.4%) 84 (51.5%) 34 (54.8%)
Failure of/awaiting peripheral access 48 (21.3%) 32 (19.6%) 16 (25.8%)
Catheter related infection 14 (6.22%) 11 (6.75%) 3 (4.84%)
First dialysis catheter ever - no. (%) 137 (60.9%) 99 (60.7%) 38 (61.3%)
Cause of end-stage renal disease:    
Diabetic nephropathy 71 (31.6%) 48 (29.4%) 23 (37.1%)
Glomerulonephritis 17 (7.56%) 12 (7.36%) 5 (8.06%)
Hypertension or vascular disease 42 (18.7%) 35 (21.5%) 7 (11.3%)
Coexisting or prior illness - no. (%):    
Diabetes mellitus 124 (55.1%) 86 (52.8%) 38 (61.3%)
Hypertension 206 (91.6%) 150 (92.0%) 56 (90.3%)
Ischemic heart disease 47 (20.9%) 34 (20.9%) 13 (21.0%)
Hemoglobin - g/liter, mean ± SD 106 (15.7) 106 (15.8) 106 (15.4)
Albumin – g/liter, mean ± SD 32.1 (6.5) 32.1 (6.7) 32.0 (5.9)
Platelet count - x10-9/litre, median (IQR) 230 (185–293) 233 (185–298) 220 (183–283)
  1. IQR: interquartile range; SD: standard deviation.