Figure 2From: Extending World Health Organization weight-for-age reference curves to older children Comparison of smoothed and empiric centiles: figures A (boys) and B (girls) compare WHO smoothed centiles with those calculated from the NCHS-R dataset. For the latter, smoothed and empiric centiles (data binned by year of age) are compared for boys (C) and girls (D). The individual gray points depict raw data.Back to article page