Note: The Z score calculator has been updated as of 7/4/2012 (ref: Zemel et al 2013). In addition, the height adjusted Z score calculator was updated on October 29, 2012. Please note that height adjusted Z scores generated from this website from 8/28 to 10/28/2012 were not accurate. This calculator can only be used for Hologic systems with software version 12.1 or higher. The supporting data for the calculator are exclusively from longitudinal measures of children living within the United States. The Z score and other text presented on these pages is for your information only. Data captured from this screen will not be saved in any database.
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