the current guidelines. However, guidelines are mainly targeted towards chronic kidney disease not dialyzed patients. Thus, amendments are to be considered.
between POC Cr and Lab Cr was very good, with Pearson correlation r¼0.956 (p<0.01). Figure 1A depicts a scatter diagram between POC Cr and Lab Cr for the total cohort (96 samples). Figure 1B is a scatter diagram restricted to samples with Lab Cr <200 umol/L (92 samples). POC Cr was higher than Lab Cr in 70 out of 96 samples. Mean bias was 27.2AE47.94 (minimum-50 maximum 245) umol/l. A Bland-Altman Plot for the total cohort (96 samples) is presented in Figure 2A. All 4 out of 96 values that were outside the limits of agreement (set at mean AE2 standard deviations) were for Lab Cr values >200 umol/L. A Bland-Altman Plot is presented for paired samples with Lab Cr values <200 umol/L in Figure 2B. Conclusions: POC Cr technology had good overall correlation with the reference laboratory assay. It demonstrated higher discordance at higher Cr values (>200 umol/L) and on average POC Cr values tended to be higher than Cr values measured by the reference laboratory assay. POC Cr can be used as a screening tool for detection of AKI taking into consideration the mean bias and the discordance with laboratory assay. The results of the evaluation were reviewed in a joint primary and secondary care AKI workshop at Port Harcourt Nigeria and a steering committee was formed to develop guidance for the use of POC Cr technology in conjunction with clinical judgement for early detection and management of community acquired AKI.
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