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. 2013 Jun 21;8(6):e67457. doi: 10.1371/journal.pone.0067457

Table 1. Demographics and neuropsychological data for healthy controls and frontotemporal dementia subtypes.

Controls bvFTD SD PNFA F p Post hoc
Sex (M/F) 16/11 13/5 7/4 6/5 1.2† ns
Age (years) 64.3 (3.7) 63.8 (8.2) 62.4 (9.3) 64.8 (10.0) 0.2 ns
Education (years) 13.6 (2.1) 11.9 (3.3) 13.3 (3.4) 11.9 (3.2) 1.8 ns
Disease Duration (months) n/a 46.8 (26.6) 65.2 (28.2) 27.3 (8.4) 7.0 * PNFA < SD
ACE-R 95.7 (3.3) 75.4 (12.4) 53.9 (31.9) 72.0 (18.5) 36.7 ** Patients < Controls; SD < bvFTD, PNFA
Digits forwards (max span)# 7.0 (1.3) 6.1 (1.1) 6.0 (1.3) 4.4 (1.2) 11.5 ** PNFA < Controls
Trails A 31.0 (11.1) 54.4 (18.1) 37.9 (19.0) 48.5 (16.8) 9.2 ** bvFTD, PNFA < Controls
RCF Copy 33.2 (3.0) 28.5 (5.6) 32.7 (4.3) 29.7 (5.7) 4.4 ** bvFTD < Controls
Naming# 27.0 (2.3) 21.2 (5.2) 5.0 (2.7) 19.7 (6.8) 72.1 ** Patients < Controls; SD < bvFTD, PNFA
Face Matching§ 36.1 (4.0) 28.5 (7.9) 33.6 (7.0) 32.4 (5.5) 5.486 * bvFTD < Controls

Note. ** p<.01; * p<.05; ns p>.05. Values are: Mean (standard deviation). n/a  =  not applicable. Abbreviations: bvFTD  =  behavioural-variant frontotemporal dementia, SD  =  semantic dementia, PNFA  =  progressive nonfluent aphasia, ACE-R  =  Addenbrooke’s Cognitive Examination-Revised, RCF  =  Rey Complex Figure. †  =  χ2. # Score missing for one PNFA participant. § Scores missing for two bvFTD and two PNFA participants.