Convergent construct validity and test-retest reliability of both German versions of the original and the revised Niigata PPPD Questionnaire: NPQ and NPQ-R

Convergent construct validity and test-retest reliability of both German versions of the original and the revised Niigata PPPD Questionnaire: NPQ and NPQ-R

BackgroundPersistent Postural-Perceptual Dizziness (PPPD) is a frequent chronic functional disorder that manifests with dizziness, unsteadiness, or non-spinning vertigo present for at least 3 months. Characteristic provocation factors are moving or complex visual stimuli and exclusion of organic dis...

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Main Authors: Sarah Chételat, Eve-Yaël Gerber, Sarah El Khadlaoui, Frank Behrendt, Michaela Stark, Stefan Schädler, Maximilian Maywald, Lena Fabritius, Johannes Gerb, Denis Grabova, Wiebke Trost, Andreas Zwergal, Ralf Strobl, Katrin Parmar, Hans Ulrich Gerth, Leo H. Bonati, Sandra Becker-Bense, Corina Schuster-Amft
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Neurology
Subjects:
Persistent Postural-Perceptual Dizziness
functional dizziness
patient-reported outcome measure
concurrent construct validity
test-retest reliability
internal consistency
Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2025.1517566/full
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https://www.frontiersin.org/articles/10.3389/fneur.2025.1517566/full

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