Table 3

Multivariate analysis of circuit life span more than 24 hours

Factor
P value
Odds ratio
95% CI

Weight <10 kg
0.147
1.914
0.796–4.606
Catheter 6.5–11 French
0.051
1.933
0.996–3.749
Filter 0.4–0.9 m2
0.006
3.311
1.407–7.795
Initial creatinine <2 mg/dL
0.009
2.534
1.263–5.088
Heparine dose >20 U/kg per hour
0.031
2.026
1.065–3.852
Hemodiafiltration
0.001
4.162
1.781–9.726
Ultrafiltration <25 mL/kg per hour
0.224
1.811
0.696–4.710
Total effluent flow rate >35 mL/kg per hour
0.029
2.143
1.082–4.245

CI, confidence interval.

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