Prognostic Factors and Epidemiology of Amyotrophic Lateral Sclerosis in Southeastern United States.

Objective: To assess the performance of known survival predictors and evaluate their stratification capability in patients with amyotrophic lateral sclerosis (ALS).

Patients And Methods: We analyzed demographic and clinical variables collected at the Mayo Clinic, Florida ALS center during the first clinical visit of 1442 (100%) patients with ALS.

Results: Our cohort had a median (interquartile range [IQR]) age at diagnosis of 64.