Fig. 5From: Increased cerebrospinal fluid adenosine 5'-triphosphate in patients with amyotrophic lateral sclerosisCorrelation between CSF ATP levels and MRC sum score (A), ALSFRS-R (B), disease duration (onset to CSF sampling) (C) and serum creatinine (D). Spearman’s test adjusted for age and sex was used to examine the correlation between variables. r = correlation (95% CI). Value of p < 0.05 were statistically significantBack to article page