Table 2.

Catheter and dialysis session variablesa

Total(n = 259)Subgroup(n = 89)
Catheter age (wk)57.4 (61.6)56.2 (56.4)
Locking solution (%)
    heparin 1:10,00051.0
    heparin 1:500032.393.3
    4% citrate14.42.2
    t-PA1.21.1
    Pre-CLOT study protocol1.23.4
Dialysis machine (%)
    Integra97.595.5
    Cobe0.8
    Fresenius1.74.5
Dialysis shift (%)
    morning39.041.6
    afternoon42.942.7
    evening18.115.7
Dialysis
    predialysis weight (kg)71.7 (22.2)76.9 (24.6)
    weight loss during dialysis (kg)1.92 (1.12)2.08 (1.19)
    blood volume processed (L)76.14 (13.82)75.45 (14.45)
    time on dialysis (min)216.8 (30.4)206.2 (29.2)
    mean blood flow (ml/min)352.1 (48.8)366.5 (40.1)
    URR (%)73.8 (7.4)74.6 (6.1)
    % with lines reversed34.027.0
    % with recirculation41.737.2
    spKt/V1.65 (0.30)
    Diascan Kt/V1.16 (0.23)
  • a Data are mean (SD) or %. spKt/V, single pool Kt/V; t-PA, thromboplastin inhibitor; URR, urea reduction ratio.