1stvisit Mean/Median (SD/IQL) 2nd visit Mean/Median (SD/ IQL)) Test-Retest (r) p Test-Retest Effect size
Attention          
Reaction time (mean) 322.63 (38.01) 316.12 (43.06) 0.76 <.0001 0.16
Visual attention  (total correct answers) 10 (1) 10 (1) 0.62§ <0.001 0.10
Auditory attention  (total correct answers) 10 (0) 10 (1) 0.57§ 0.008 0.55
Visual & auditory attention  (total correct answers) 10 (1) 10 (1) 0.79§ <.0001 0.14
Language          
Sentence  Comprehension  (number correct) 5 (1) 5 (1) 0.87§ 0.008 0.18
Verbal fluency  (total correct answers) 25.37 (5.88) 26.21 (6.40) 0.76 <.0001 0.33
Vocabulary Test (total correct answers) 19.81 (4.51) 19.81 (5.87) 0.73 <.0001 0.00
Memory          
Immediate Recall (names correctly recalled) 6.46 (1.27) 7.35 (1.23) 0.61 0.001 0.70
 Delayed Recall  (total correct answers ) 6.62 (1.60) 7.58 (1.79) 0.71 <.0001 0.60
Face Recall  (number correct) 17 (2) 17 (1.653) 0.79§ 0.005 0.19
Name-Face Associations (number correct) 3.92 (2.35) 5.58 (2.25) 0.78 <.0001 0.70
Narrative recall (total correct answers) 30.62 (7.79) 34.19 (8.15) 0.71 <.0001 0.46
Implicit Memory (old names minus new names) 1.03 (0.61) 1.78 (0.65) 0.62 0.07 0.10
Visuospatial ability          
Form- Matching (total correct) 5.46 (1.50) 6.04 (1.22) 0.56 0.003 0.38
Visuo- Spatial Span (longest series retained) 6.01 (1.41) 6.09 (1.59) 0.51 0.007 0.16
Logical series ( total correct) 5.00 (3.08) 5.52 (2.95) 0.70 0.0001 0.17
Construction  (total correct elements) 75.50 (6.50) 77.50 (7) 0.78§ <.0001 0.20
Stroop test (total wrong answers) 1(2) 0(1) 0.34§ 0.09 0.34
§according to normality of distribution
Table 1: Retest correlations (Spearman Rank Order Correlations) (examinations with a 2-3 week inter-test interval ) and effect size effect size (change score normalized by standard deviation of first assessment - 1st visit - 2nd visit)/SD1st visit) for COGNITO sub-tests.