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    • Pediatric and Neonatal - Height for Age Percentiles for Boys (2 - 20 years)

    CDC Height for Age Percentiles for Boys (2 - 20 years)

    Input:
    Age
    Height
    Results:
    Z Score  
    Percentile  
     
    Decimal Precision:
    Height for Age Percentile Interpretation
    Percentile < 5:Short stature
    Percentile >= 5 and < 95:Normal stature
    Percentile >= 95:Tall stature
    In some cases, including consideration of pharmacotherapy, more stringent definitions of short or tall stature are used, with thresholds of < 3rd percentile or < 1st percentile for short stature, and > 97th or > 99th percentile for tall stature.
     
    At the extremes (> 97th percentile or < 3rd percentile), small differences in percentiles represent clinically important differences in height. At these extremes, the z-score is a more precise reflection of how far the measurement deviates from the mean, and is a useful tool for tracking changes.
     
     Examples
     
    Z-scorePercentile equivalent
    - 3.00.3
    - 2.02.5
    + 2.097.5
    + 3.099.7

     
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