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Distribution of weight standard deviation scores by age for A males and B females. aAge (years) is plotted as a range, with each data point plotted at the range max. bData point is based on 1 participant. WHO 2007 reference ranges used for ages 1–120 months, and CDC reference ranges used for ages 121–240 months. CDC Centers for Disease Control and Prevention, SD standard deviation, WHO World Health Organization, XLH X-linked hypophosphatemia
