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Table 6 Correlation between age at onset of MDD and cognitive and executive functions

From: Evaluation of cognitive impairment in patients with major depressive disorder in remission

  r P
Visual memory
 Figural memory − 0.05 > 0.05 (NS)
 Visual Paired Associates 0.14 > 0.05(NS)
Verbal memory
 Logical memory 0.14 > 0.05(NS)
 Verbal Paired Associates 0.11 > 0.05(NS)
Attention/concentration
 Mental control − 0.18 > 0.05(NS)
 Digit span − 0.06 > 0.05(NS)
Visuospatial function
 Visual reproduction − 0.07 > 0.05(NS)
Wisconsin card sorting test
 Trial administered (conceptualization) 0.08 > 0.05(NS)
 Categories completed (abstract ability) − 0.06 > 0.05(NS)
 Perseverative errors (cognitive flexibility) − 0.15 > 0.05(NS)
 Failure to maintain set (sustained attention) − 0.13 > 0.05(NS)
  1. There were statistically non-significant correlations between age at onset of MDD and different subsets of Wechsler memory scale (p > 0.05). Also, there were non-significant correlations between age at onset of depression and executive function as assessed by Wisconsin card sorting test (p > 0.05)