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Effect of convective flow on circuit survival. Graphical representation of the association between convective flow and the risk of CRRT circuit failure taking the CRRT circuits from both protocol groups together (n = 347), after exclusion of CRRT circuits ended because of machine errors, procedures outside the ICU or the decision to cease CRRT. The blue line shows the hazard ratio for circuit failure. The shaded area correspondents to the 95% pointwise confidence interval.
