Figure 8. Clustering of extreme values for cholesterol HDL (a), triglyceride (b) and waist circumference (c): percentiles were constructed as described in the text, to account for the effect of sex and age.

Kc was calculated within each percentile and the distribution was analyzed with ANOVA. Extreme percentiles were compared to the rest of the population and a p-value was calculated with the Mann-Whitney U Test: **** p-value <0.0005.