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Table 2: Clinical data commonly used as prognostic factors for the 25 patients with ALS
Clinical Data Patients with ALS
Baseline 1-Year Follow-Up Subgroup
Body mass index at MRI (± SD) 23.7 ± 2.7 24.0 ± 2.7
Familial transmission 2 SOD1 mutated 1 SOD1 mutated
Site of onset 1 bulbar; 18 upper; 6 lower 1 bulbar; 12 upper; 6 lower
Delay from first symptom to diagnosis, mo ± SD 9.9 ± 5.6 10.7 ± 6.0
Note:—SOD1 indicates SuperOxide Dismutase 1 gene.

Clinical Data	Patients with ALS
Clinical Data	Baseline	1-Year Follow-Up Subgroup
Body mass index at MRI (± SD)	23.7 ± 2.7	24.0 ± 2.7
Familial transmission	2 SOD1 mutated	1 SOD1 mutated
Site of onset	1 bulbar; 18 upper; 6 lower	1 bulbar; 12 upper; 6 lower
Delay from first symptom to diagnosis, mo ± SD	9.9 ± 5.6	10.7 ± 6.0