Fig 1. Differences between autistic individuals (n = 13) and aged-matched healthy controls (n = 24) with regard to 9 biomarkers and 5 biomarker ratios.

K: potassium, Na: sodium, LDH: lactate dehydrogenase, GSH: glutathione, GST: glutathione S-transferase, CK: creatine kinase, CoQ10: co-enzyme Q10, Cas7: caspase 7, and MLTN: melatonin. Statistical significance was determined using a two-tailed student’s t-test.