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Table 12 Correlation of Biomarkers with the modified PDD-BI Autism Composite, ATEC, and SAS, with the correlation coefficient followed by the p-value in parentheses

From: Nutritional and metabolic status of children with autism vs. neurotypical children, and the association with autism severity





Plasma Free Sulfate

-0.19 (n.s.)

-0.25 (n.s.)

-0.38 (0.006)

RBC Iron

0.36 (0.009)

0.27 (0.05)

0.12 (n.s.)

Serum Phosphorus

0.38 (0.006)


0.12 (n.s.)

Plasma Phenylalanine

-0.22 (n.s.)

-0.29 (0.03)

-0.43 (0.002)

  1. Only biomarkers with values of R = 0.34 or greater are listed, corresponding to a p-value of 0.01 or lower. Note that since many correlations were investigated, these results are not highly significant, and are at most possibly significant.