Table 2.

Enrollment-level baseline characteristics, by pre versus post period, for 290 enrollments in the pre period and 216 enrollments in the post period

CharacteristicaPre (n=290)Post (n=216)Overall (n=506)
Type of catheter
 HemoStar (Bard)716870
 Palindrome (Covidien)263128
 Other312
Catheter locking solution
 4% sodium citrate969696
 Heparin 1:1000233
 Heparin 1:5000212
First dialysis catheter ever353334
Number of previous catheters (including current catheter), median (IQR)2 (1, 4)2 (1, 4)2 (1, 4)
Time on dialysis at enrollment
 Median (IQR), yr1.8 (0.6, 4.2)2.5 (1.1, 5.4)2.0 (0.8, 5.0)
 Up to 1 yr35.523.630.4
 >1–3 yr29.329.229.2
 >3 yr35.247.240.3
Time on current catheter at enrollment
 Median (IQR), yr0.5 (0.2, 1.3)0.9 (0.3, 1.7)0.6 (0.2, 1.5)
 <90 d321927
 90 d to 1 yr343836
 >1 yr344338
Medication use
 Acetylsalicylic acid484145
 Clopidogrel10910
 Warfarin1069
 Plavix111
 Any of above604855
Lab measurements at baseline
 Albumin (g/dl), median (IQR)3.3 (3.0, 3.6)3.3 (3.0, 3.6)3.3 (3.0, 3.6)
 Hemoglobin (g/dl), median (IQR)10.7 (10.0, 11.6)11.0 (10.1, 11.9)10.8 (10.0, 11.7)
Inclusion criteria (multiple responses possible)
 Catheter line reversal three out of last six sessions728176
 Use of rt-PA two out of last six sessions21715
 Two episodes of catheter bacteremia in last 12 mo233
 Limited access options242223
  • IQR, interquartile range.

  • a % unless otherwise indicated. Percentages do not necessarily sum to 100 due to rounding.