Table 6

Cognitive test performance as a function of C9ORF72

TaskC9 +veC9 –veMann-Whitney
nMedian (range)nMedian (range)zP value
Graded naming/301313 (7–25)2017 (0–27)−0.700.48
Object name/50945 (34–50)1947 (6–50)−0.920.36
Action name/50947 (27–50)1948 (6–50)−0.570.57
Pyramids palm trees pictures/521345 (23–52)1949 (20–52)−1.750.08
Pyramids palm trees words/521347(21-52)1949 (22–52)−0.850.40
PALPA spelling/401021 (4–35)1733 (5–40)−2.190.03*
PALPA sentence comprehension/24917 (12–22)1923 (9–24)−2.090.04*
Sentence ordering/10115 (0–9)188 (0–10)−1.860.06
Letter fluency index1050 (19–177)1530 (12–103)−1.510.13
Category fluency index1122 (6–117)179 (14–116)−1.900.06
DKEFS block sorting/891 (0–2)173 (0–6)−2.010.05
  • DFEFS: Delis-Kaplan Executive Function System battery

  • *p<0.05.

  • PALPA, Psycholinguistic Assessment of Language Processing in Aphasia.