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Knowledge Base

Growth Percentiles
These data are calculated using "Percentile Data Files with LMS Values" from CDC. The same data sets have been used to produce the United States Growth Charts by CDC. For more information on Growth Percentiles, go to United States Growth Charts - Data Files

Blood pressure percentiles for children
Based on the "Blood Pressure Tables for Children and Adolescents" from National Heart, Lung, and Blood Institute.For more information on Blood Pressure Percentiles, visit Blood Pressure Tables for Children and Adolescents

10-year risk of having a heart attack
Calculated using a point system as described in the Third Report of the National Cholesterol Education Program (NCEP) Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults (Adult Treatment Panel III). For more information on Estimating Your 10-year Risk of Having a Heart Attack and Identifying Metabolic Syndrome, go to High Blood Cholesterol That You Need to Know and visit the Live Healthier, Live Longer Web site. To calculate 10-year risk of having a heart attack, you need to the following data:

  • Age and gender.
  • Smoker or not.
  • Systolic blood pressure.
  • Blood pressure medicine.
  • HDL cholesterol.
  • Total cholesterol.

    Underweight and overweight
    Based on BMI and waist.For more information on BMI calculations, visit BMI: Body Mass Index

    Waist circumference percentiles for children.
    HealthWatch Pro uses the methods introduced by Fernandez JR, Redden DT, Pietrobelli A, Allison DB. J Pediatr 2004;145:439-44.http://www.gghjournal.com/volume21/1/ab17.cfm
    To calculate Waist circumference percentile, you need to enter Waist circumference, age (2 - 18), gender, and race (only for Caucasian, African-American and Hispanic).


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