Diagnostic utility of Niigata Persistent Postural-Perceptual Dizziness (PPPD) Questionnaire (NPQ) for PPPD in comparison to dizziness handicap inventory
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BackgroundPersistent postural-perceptual dizziness (PPPD) is a common yet challenging functional vestibular disorder. The Niigata PPPD Questionnaire (NPQ) is a simple diagnostic tool developed to assess the severity and presence of PPPD.ObjectiveTo validate th... ...
