Table 1

Demographic and clinical characteristics of patients with ALS and controls

Patients with ALS enrolled for the study (n=183)*Non-captured patients with ALS (n=79)Healthy controls (n=127)
Mean age at onset (years, SD)67.0 (9.9)66.9 (10.3)66.5 (11.4)
Gender (female, %)76 (41.5%)35 (44.3%)54 (42.5%)
Education (number of years, SD)8.3 (4.1)8.5 (4.2)8.7 (4.3)
Site of onset (bulbar, %)62 (33.9%)26 (32.9%)
  • All comparisons are non-significant.

  • *Nineteen patients tested but not included in the study due to exclusion criteria (see text) are not shown in the table.

  • ALS, amyotrophic lateral sclerosis.