Clinical characteristics in amyotrophic lateral sclerosis with Sub-Saharan Africa ancestry–A Portuguese hospital-based cohort study

摘要: 3. ResultsA total of 1633 ALS patients were included. Thirty out of 1633 patients (1.8%) met our criteria for SA ALS. Although excluded from the analysis, we identified two additional patients with other forms of motor neuron disease (one with primary lateral sclerosis and other with a right upper limb monomelic phenotype).