Table 2

Comparison of behavioural alterations

ALS (%)PLS (%)PBP (%)ALS-FTD (%)FTD (%)Χ²EtaP values
Disinhibition64134010094.790.42<0.001
Apathy202825605020.750.090.023
Loss of sympathy82025674762.180.17<0.001
Stereotyped behaviour5812471742.440.28<0.001
Hyperorality7413535048.160.30<0.001
Psychosis3312202017.970.160.055
  • Patients of the motor predominant ALS entity presented with minus behavioural symptoms compared with patients of behavioural predominant FTD entity who presented with plus and minus symptoms; analysis of covariance (ANCOVA) and post hoc Scheffé, Bonferroni correction for age with p<0.05.

  • ALS, amyotrophic lateral sclerosis; FTD, frontotemporal dementia; PBP, progressive bulbar palsy; PLS, primary lateral sclerosis.