Z

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  • Z-scores

    Professional Description:

    z-scores describe how far a measurement is from the mean (average) or median; also referred to as standard deviation (SD) scores. Source: Porta M, Greenland S, Hernán M, dos Santos Silva I, Last JM, ed. A dictionary of epidemiology, 6th edition. New York: Oxford University Press; 2014. Last JM. A dictionary of epidemiology. 4th Edition. New York: Oxford University Press; 2001.