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Original Article

Prevalence of Mild Cognitive Impairment Subtypes in Patients with Parkinson’s Disease – Comparison of two Modes of Classification

Published Online:March 04, 2014https://doi.org/10.1024/1016-264X/a000116

Abstract

Early detection of dementia in Parkinson’s disease is becoming increasingly important. The goal of this study was to establish prevalence of mild cognitive impairment subtypes in Parkinson’s disease using two different modes of mild cognitive impairment classification. Categorizing patients into mild cognitive impairment subtypes according to the minimum mode of mild cognitive impairment classification revealed the following results: three patients (2.5 %) were categorized as cognitively healthy, whereas 117 patients (97.5 %) met the criteria for mild cognitive impairment. When categorizing patients according to the mean mode of mild cognitive impairment classification, 41.7 % of the patients were categorized as cognitively healthy, whereas 58.3 % met the criteria for mild cognitive impairment. Frequency of mild cognitive impairment varies substantially, depending on how impairment is defined.


Prävalenz verschiedener Subtypen der leichten kognitiven Störung bei Morbus Parkinson – Vergleich zweier Klassifizierungsmethoden

Das frühzeitige Erkennen einer Demenz im Rahmen der Parkinsonkrankheit wird immer wichtiger. Das Ziel der Studie war die Erfassung der Prävalenz der leichten kognitiven Störung mittels zweier Klassifizierungsmethoden. Wurden die Patienten anhand der Minimum Mode Methode in Subtypen klassifiziert kam es zu folgenden Ergebnissen: Drei Patienten (2.5 %) wurden als kognitiv gesund kategorisiert, 117 Patienten (97.5 %) erfüllten die Kriterien für eine leichte kognitive Störung. Wurden die Patienten anhand der Mean Mode Methode in Subtypen klassifiziert kam es zu folgenden Ergebnissen: 41.7 % der Patienten wurden als kognitiv gesund kategorisiert während 58.3 % der Patienten erfüllten die Kriterien für eine leichte kognitiven Störung Die Häufigkeit der Subtypen leichten kognitiven Störung bei der Parkinsonkrankheit variiert beträchtlich in Abhängigkeit von der Klassifizierungsmethode.

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