Influence of Different Cut-Off Values on the Diagnosis of Mild Cognitive Impairment in Parkinson's Disease
Table 1
Overview of the cognitive domains.
Nonmemory domains
Memory domains
Executive function
Attention
Praxis and visual function
Psychomotor speed and naming ability
List learning and memory recall
Logical memory
Trail making test, part B
63.2 ± 35.1
Tower of London test
47.4 ± 26.4
NAI: Digit span
60.4 ± 30.0
NAI: Figure test
58.6 ± 22.5
Berlin Apraxia test
37.5 ± 4.1
TAP: Value of phasic alertness
49.7 ± 29.2
TAP: Go-Nogo, median RT
48.9 ± 32.1
CERAD: Constructional praxis
46.3 ± 33.8
CERAD: Constructional praxis delayed recall
42.7 ± 36.6
VOSP: Object decision
49.7 ± 29.1
CERAD: Verbal fluency
44.1 ± 27.6
CERAD: Boston Naming Test
55.5 ± 31.5
Trail-making test, part A
56.9 ± 32.3
CERAD: Word-list memory
36.4 ± 26.5
CERAD: Word-list recall
41.6 ± 28.8
CERAD: Word-list recognition
48.6 ± 33.4
CERAD: Word-list intrusion
48.5 ± 31.6
WMS-R: Logical memory I
31.8 ± 28.9
WMS-R: Logical memory II
33.0 ± 27.9
Cronbachs alpha coefficient
0.52
−0.33
0.61
0.58
0.72
0.86
All values are given as mean percentile rank scores ± standard deviation, except for the Berlin Apraxia test for which raw values are presented. CERAD: Consortium for the Registry for Alzheimer's Disease, German version; WMS-R—Wechsler Memory Scale: revised; NAI—Nuernberger Alters Inventar; VOSP—Visual Object and Space Perception Battery; TAP—Testbatterie zur Aufmerksamkeitspruefung; RT—Reaction time.