Table 4

Multivariate analysis of circuit life span more than 48 hours

Factor
P value
Odds ratio
95% CI

Weight <10 kg
0.074
2.486
0.916–6.742
Catheter 6.5–11 French
0.093
2.128
0.002–5.134
Filter 0.4–0.9 m2
<0.001
6.786
2.396–19.221
Initial creatinine <2 mg/dL
0.011
3.120
1.305–7.460
Heparine dose >20 U/kg per hour
0.007
3.148
1.361–7.279
Hemodiafiltration
0.004
5.473
1.715–17.469
Ultrafiltration <25 mL/kg per hour
0.455
1.812
0.381–8.618
Total effluent flow rate >35 mL/kg per hour
0.109
2.128
0.882–5.134

CI, confidence interval.

del Castillo et al. Critical Care 2008 12:R93   doi:10.1186/cc6965