Fig. 2.

Associations between plasma metabolites and four year outcomes: Volcano plots of associations between plasma metabolites and (a) HAZ, (b) ∆HAZ, and (c) full-scale IQ score. Pearson correlation coefficient is given on the x-axis, while -log10(pvalue) is given on the y-axis. Dotted vertical lines indicate Pearson correlation coefficient r > 0.2 and r < −0.2, the cutoffs used for association with each outcome. All labeled metabolites met the cutoff for association. The colour of each data point indicates the timepoint at which it was collected, with nine month metabolites shown in blue and 36 month metabolites shown in red. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)