Z score

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Z score

n. Statistics
A measure of the distance in units of standard deviations of a particular value in a distribution or a set of data from the mean of that distribution or set of data.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Compared with coronary artery calcification, LV hypertrophy was a stronger predictor for CHD death, other CV death, and heart failure (z-scores: 5.4 versus 3.4, 6.8 versus 2.4, and 9.7 versus 3.2, respectively).
Weight status was assessed using the WHO weight-for-length z-scores growth charts, which are age- and sex- specific (13).
The researchers divided 40 adolescents aged between 10 and 17 into two groups, each with ten boys and ten girls: an overweight group with BMI-for-age Z-scores of +1 or +2 and an obese group with Z-scores above +2.
Z-scores were calculated according to the bone marrow density (BMD) values of healthy children by using the following formula:
All low financial ratios lead to low Z-scores in the model.
A new fetal echo reporting module provides MFM specialists with comprehensive measurements including Dopper, 2D and performance indices with associated z-scores, expanded fetal anatomy table with cardiac specific items, and fields for optimal evaluation of suspected fetal cardiac abnormalities.
The body mass index z-scores were calculated as the measures of relative weight, adjusted for the child's age and sex.
The differences between the ratings of the target and control words were converted to z-scores. The main finding was highly signifcant hitting among a subgroup of Ps who claimed they felt their hand being moved by an outside force 1-40% of the time during the session.
[14] Height-for-age and BMI [body mass index]-for-age z-scores were calculated using the WHO Stata macros developed to assess data against the Child Growth Standards.