A comprehensive summary of correlation coefficients and their p-values is reported in Supplementary Table S5 while Fig. 1 illustrates the relationships among the blood factors (AST, ALT, LDH, CK, creatinine, uric acid, total protein, albumin, CRP, K+, Cl−) which we found to be associated with ALS. This evidence concerns the gene GPT and amyotrophic lateral sclerosis.