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    Z Score For Aortic Root · Recommended & Official

    You do not usually calculate this by hand; machines or apps do it for you. However, understanding the math helps you understand the result.

    10-year-old boy.

    The measurement is at the 97.7th percentile, typically the upper limit of "normal." z score for aortic root

    Z=Measured Value−Mean Predicted ValueStandard Deviationcap Z equals the fraction with numerator Measured Value minus Mean Predicted Value and denominator Standard Deviation end-fraction Common nomograms used in clinical practice include: You do not usually calculate this by hand;