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Figure 1: Baseline distribution of undernourished children identified using WHO growth charts in a selected urban area of Puducherry, South India (n = 366). Six children suffered from both stunting and wasting, () – this percentage is out of total children, that is, 366; {} – this percentage is out of total undernourished children, that is, 58; [] – this percentage is out of total children with stunting or wasting. If weightforage and BMIforage growth charts are both used, the additional yield of detecting more children with undernourishment would be 14 × 100/(35 + 14) = 28.6%. If weightforage and heightforage growth charts are both used, the additional yield of detecting more children with undernourishment would be 9 × 100/(35 + 9) = 20.4%. If weightforage, BMIforage, and heightforage growth charts are all used, the additional yield of detecting more children with undernourishment would be (14 + 9) × 100/(35 + 14 + 9) = 39.7% 
