Scatter plot of cord blood leptin levels vs birth weight to show the populations from which the study groups A, B and C were selected and analyzed further for serum cytokine levels.

<p>The black circle includes 19 neonates with mean leptin levels over the 90^th percentile (group A), the red circle includes 17 neonates with mean leptin levels around the 50^th percentile (group B) and the orange circle includes 20 neonates with mean leptin level below the 10^th percentile.