Laboratory Medicine and Quality Assurance

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Fig. 1. Coefficients of variation (CVs) of the results of the participating laboratories from 2018 to 2021. *Significant difference from all other methods (from Wintrobe, P=0.007; from Westergren, modified Westergren, and others, P<0.001). Significant difference from other methods except the Westergren method (from Wintrobe, P=0.043, from modified Westergren, P=0.016, from alternate, P<0.001).
Lab Med Qual Assur 2022;44:159~164
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