Table 1:

Demographic and language measures in PCA and lvPPA

	PCA	lvPPA	p-value	FDR corrected p-value
Age at assessment, years	64 (58, 70)	68 (62, 72)	0.18	0.23
Gender (% female)	48%	38%	0.49	0.49
Disease duration, years	4 (3, 7)	4 (3, 5)	0.1	0.14
Phonological errors (yes/no)	55%	70%	0.2	0.24
BNT (/15)	13 (11, 14)	7 (4.25, 11.75)	0.00005	0.0002
WAB repetition (/100)	92 (90, 98)	77 (66.5, 88.5)	0.00004	0.0002
Fluency score (/10)	10 (9, 10)	8 (6.5, 8.75)	0.00001	0.0001
Number of phonological errors	2 (1, 3)	5 (2, 6.5)	0.002	0.003
MoCA, /30	20 (12, 21)	17 (10.5, 20)	0.48	0.49
CDR sum of boxes, /18	3 (2, 6.75)	3 (1.5, 4)	0.04	0.07
VOSP cubes, /10	2 (1, 5)	8.5 (5.25, 10)	0.0004	0.001
VOSP letters, /20	12 (5.5, 16)	19 (18, 20)	0.001	0.002

Data shown as median (inter-quartile range). BNT – Boston Naming Test; WAB – Western Aphasia Battery; MoCA – Montreal Cognitive Assessment; CDR – Clinical Dementia Rating; VOSP – Visual Object and Space Perception