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BACKGROUND: UF-5000 is the new fully automated urine particle analyser. We validated its performance. METHODS: 736 urines were analysed and results were compared by two pathologists on uncentrifuged samples, using Fuchs-Rosenthal chamber. RESULTS: ) was 1.00, 1.00 and 0.99 respectively for RBC, WBC and epithelial cells (EC). No carry-over was observed. The within-run imprecision was 25.42%,13.81%,1.36% for RBC; 37.50%,10.16%,1.41% for WBC and 35.25%, 17.85%,6.30% for EC at low, near the cut off level and high concentrations, respectively. The between-run imprecision was 6.90%,1.60% for RBC, 4.10%,1.90% for WBC and 7.60%,7.30% for EC, using low and high positive quality controls, respectively. CONCLUSION: UF-5000 is an analyser of great interest to detect urine particle related to pathological process of kidney and urinary tract.
Previtali et al. (Sat,) studied this question.