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© 2019 International Parkinson and Movement Disorder Society Background: The International Parkinson and Movement Disorders Society criteria for mild cognitive impairment in PD need validation. The objectives of this present study were to evaluate prognostic validity of level I (abbreviated) International Parkinson and Movement Disorders Society mild cognitive impairment in PD criteria for development of PD dementia and compared them with level II (comprehensive) criteria. Methods: We analyzed data from 8 international studies (1045 patients) from our consortium that included baseline data on demographics, motor signs, depression, detailed neuropsychological testing, and longitudinal follow-up for conversion to Parkinson's disease dementia. Survival analysis evaluated their contribution to the hazard of Parkinson's disease dementia. Results: Level I mild cognitive impairment in PD, increasing age, male sex, and severity of PD motor signs independently increased the hazard of Parkinson's disease dementia. Level I and level II mild cognitive impairment in PD classification had similar discriminative ability with respect to the time to Parkinson's disease dementia. Conclusions: Level I mild cognitive impairment in PD classification independently contributes to the hazard of Parkinson's disease dementia. This finding supports the prognostic validity of the abbreviated mild cognitive impairment in PD criteria. © 2019 International Parkinson and Movement Disorder Society.
Author(s): Hoogland J, Boel JA, de Bie RMA, Schmand BA, Geskus RB, Dalrymple-Alford JC, Marras C, Adler CH, Weintraub D, Junque C, Pedersen KF, Mollenhauer B, Goldman JG, Troster AI, Burn DJ, Litvan I, Geurtsen GJ
Publication type: Article
Publication status: Published
Journal: Movement Disorders
Year: 2019
Volume: 34
Issue: 3
Pages: 430-435
Print publication date: 15/03/2019
Online publication date: 17/01/2019
Acceptance date: 23/12/2018
ISSN (print): 0885-3185
ISSN (electronic): 1531-8257
Publisher: John Wiley and Sons Inc.
URL: https://doi.org/10.1002/mds.27617
DOI: 10.1002/mds.27617
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