Table 2

Baseline demographics of ALS patients without dementia (n=132) compared to those of healthy controls (n=110)

Demographic variableALS patientsHealthy controlsp Value
Mean (SD)nMean (SD)n
Age at time of assessment62.7 (9.5)13260.5 (9.6)1100.075
Male sex60.6% (–)13248.2% (–)1100.071
Education (number of years)12.2 (3.3)13212.8 (3.4)1090.150
WTAR-predicted premorbid FSIQ101.1 (12.3)100103.1 (8.8)1070.05
HADS-estimated anxiety scores5.4 (4.0)996.5 (4.0)700.076
HADS-estimated depression scores2.6 (2.8)991.9 (2.3)700.121
  • ALS, amyotrophic lateral sclerosis; FSIQ, Full-Scale IQ; HADS, Hospital Anxiety and Depression Scale; WTAR, Wechsler Test of Adult Reading.