Figure 2From: In vivo validation of the adequacy calculator for continuous renal replacement therapiesBland–Altman correlation between urea clearance obtained by two methods: urea clearance calculated with the described software (KCALC) and urea clearance obtained by direct measure on prefilter blood and effluent samples (KDEL). It is possible to distinguish the correlations between KCALC and KDEL, at therapy start (T0) and after 18 to 24 hours of uninterrupted therapy (T18).Back to article page