Demographics, cognition and behaviour - Comparison on demographics and cognitive tests across ALS, bvFTD and ALS-FTD groups.

F-values indicate significant differences across groups; Tukey post hoc tests compare differences between group pairs.***pKruskal-Wallis Test and Mann-Whitney U test were applied for disease duration.ALS = amyotrophic lateral sclerosis; ALS-FTD = ALS with frontotemporal dementia; bvFTD = behavioural variant frontotemporal dementia.ACE-R = Addenbrooke’s Cognitive Examination revised; CBI-R = Cambridge Behavioural Inventory Revised.