Figure 1

Scatter plots/regression lines of the different anthropometric parameters for birth weight <2500g. a: Scatter plot/regression line of birth weight (g) on chest circumference (cm) for newborns <2500 g. b: Scatter plot/regression line of birth weight (g) on occipitofrontal circumference for newborns <2500 g. c: Scatter plot/regression line of birth weight (g) on chest circumference + occipitofronal circumference (cm) for newborns <2500 g. d: Scatter plot/regression line of birth weight (g) on chest circumference (cc)/occipitofronal circumference (OFC) (ratio) for newborns <2500 g.