CRITICAL ANALYSIS OF PLATELET COUNTING METHODS

  • 1 January 1977
    • journal article
    • research article
    • Vol. 68  (1) , 195-201
Abstract
A careful analysis of platelet counting methods, including an assessment of accuracy, was done using data from the College of American Pathologists Comprehensive Hematology Survey preserved platelet suspension specimen (H-32-1976). Comparisons between methods suggest systematic biases probably related to the calibration methods used for automated instruments. Falsely elevated counts occurred with manual methods and 1 light-dispersion system. Methods for calibration and continuing quality assurance of platelet counting are proposed.

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