Figure 4

Significance of LLRA as a predictive factor for poor prognosis. Kaplan–Meier analyses and log-rank tests revealed that LLRA was a significant factor for poor prognosis in patients whose time since onset to the blood test was shorter than 1 year (a) and in those with an interval longer than 1 year (b). Abbreviations: ALS, amyotrophic lateral sclerosis; LLRA, lipid-linked risk for ALS.