This study compares the results of the leukocyte three-part differential count as determined by the Coulter S-Plus IV in 104 consecutive patient samples from the emergency department with results obtained by conventional visual differential. A high rate (40%) of instrument rejection was found, reflecting the high prevalence of disease and hematologic abnormalities in the patient population. No clinically significant abnormality went undetected, demonstrating that the automated leukocyte three-part differential is effective as a screening test in the emergency department patient population.

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http://dx.doi.org/10.1016/0735-6757(87)90317-2DOI Listing

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