Table 3.

Language (L1 and L2) characteristics per PPA variant

	PPA variant
Language characteristics	Whole Group (=33)	PPA-G (n=14)	PPA-S (n=6)	PPA-L (n=13)
Age of exposure L2
Early	15 (33%)	6 (43%)	2 (33%	7 (54%)
Middle	6 (18%)	4 (28.5%)	0 (0%)	2 (15%)
Late	9 (24%)	4 (28.5%)	1 (17%)	4 (31%)
n/a	3 (9%)	0 (0%)	3 (50%)	0 (0%)
Dominant language at time of diagnosis
L1	15 (49%)	5 (36%)	5 (83%)	5 (39%)
L2	13 (42%)	6 (43%)	1 (17%)	7 (54%)
Both L1 & L2	5 (9%)	4 (14%)	0 (0%)	1 (7%)
First symptom language
L1	8 (24%)	3 (21%)	2 (33%)	3 (23%)
L2	18 (55%)	8 (57%)	2 (33%)	8 (62%)
Both L1 & L2	5 (15%)	3 (21%)	0 (0%)	2 (15%)
n/a	2 (0%)	0 (0%)	2 (33%)	0 (0%)

Notes. PPA-G = Primary progressive aphasia – Agrammatic/Nonfluent variant, PPA-S = Primary progressive aphasia – semantic variant, PPA-L = Primary progressive aphasia – logopenic variant, L1 = First language, L2 = Second language