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Urinary neopterin (A) is correlated with ALSFRS-R at baseline for each of the 46 patients with ALS in the study (r= −0.36, p= 0.013). As previously reported, urinary p75ECD also correlates with ALSFRS-R (r= −0.36, p= 0.013) at baseline (B). Pearson’s Tests in SPSS/ Prism 9.
