Esther Leushuis
Department of Obstetrics and Gynecology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
[ 1 ] - Reducing Inter-Laboratory Differences between Semen Analyses Using Z Score and Regression Transformations
Background Standardization of the semen analysis may improve reproducibility. We assessed variability between laboratories in semen analyses and evaluated whether a transformation using Z scores and regression statistics was able to reduce this variability. MaterialsAndMethods We performed a retrospective cohort study. We calculated between-laboratory coefficients of variation (CVB) for sperm c...
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