CSF BETA-AMYLOID - Alzheimer's & Dementia

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Lille, France; 8Service de Neurologie et Neuropsychologie, Marseille,. France ... sensitive computerised tests of episodic memory. P2-303. DEFICITS IN ...

Poster Presentations: Monday, July 25, 2016

P751

Table 5 Neuropsychological Tests Results for each of the 6 cluster groups: Language - ANOVA

Boston Naming Test Letter Fluency (C,F,X) Letter Fluency Switches Letter Fluency Mean Cluster Size Animal Fluency Animal Fluency- Switches Animal Fluency- Mean Cluster Size

Cluster 1 Low Content, fluent (n ¼ 50) (mean 6 SD)

Cluster 2 low content, high pronouns (n ¼ 37) (mean 6 SD)

58.2 (1.6) 48.8 (10.0) 30.6 (8.2) .48 (.37) 21.8 (5.3) 9.1 (4.1) 1.4 (.68)

56.9 (2.9) 47.4 (8.8) 27.9 (5.8) .53 (.24) 22.1 (4.4) -1 (2.7) 1.3 (.67)

Cluster 3 Low content (n ¼ 48) (mean 6 SD)

Cluster 4 Disfluent, low content (n ¼ 25) (mean 6 SD)

Cluster 5 Normal Language, low verbs (n ¼ 68) (mean 6 SD)

Cluster 6 High-Normal Language (n ¼ 40) (mean 6 SD)

P

57.9 (2.3) 53.4 (11.8) 32.2 (8.2) .54 (.27) 23.5 (5.6) 9.5 (3.1) 1.4 (.71)

57.2 (3.5) 48.0 (11.4) 28.4 (7.2) .55 (.25) 21.8 (5.7) 8.7 (2.6) 1.4 (.71)

58.5 (2.1) 49.6 (11.4) 30.8 (7.6) .52 (.34) 22.8 (5.6) 9.6 (3.1) 1.4 (.69)

58.6 (1.6) 50.6 (9.8) 32.5 (7.9) .57 (.38) 25.9 (5.3) 10.3 (2.7) 1.4 (.72)

.007* .128 .051** .839 .005* .426 .993

Using Bonferroni-corrected pairwise comparisons: *p < .05 for cluster 2 **p< .05 (unadjusted) for clusters 2, 3, 4 (Bonferroni corrections were nonsignificant) ***p