Fear of falling is independently associated with recurrent falls in patients with Parkinson’s disease: a 1-year prospective study

The present study aimed to examine whether fear of falling (FoF) could independently predict recurrent falls in people with Parkinson’s disease (PD). Seventy patients with PD completed the study. Thirty-two patients had fallen at least once in the previous 12 months. Most of patients with PD had mod...

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Bibliographic Details
Published in:Journal of neurology 2009-10, Vol.256 (10), p.1689-1695
Main Authors: Mak, Margaret K. Y., Pang, Marco Y. C.
Format: Article
Language:English
Subjects:
Accidental Falls
Area Under Curve
Balance
Biological and medical sciences
Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases
Discriminant Analysis
Disease
Falls
Fear
Female
Humans
Interviews as Topic
Male
Medical sciences
Medicine
Medicine & Public Health
Middle Aged
Neurology
Neuroradiology
Neurosciences
Older people
Original Communication
Parkinson Disease
Parkinson's disease
Posture
Prospective Studies
Recurrence
ROC Curve
Severity of Illness Index
Stroke
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Summary:The present study aimed to examine whether fear of falling (FoF) could independently predict recurrent falls in people with Parkinson’s disease (PD). Seventy patients with PD completed the study. Thirty-two patients had fallen at least once in the previous 12 months. Most of patients with PD had moderate disease severity (Hoehn and Yahr stage III). FoF was assessed by the activities-specific balance confidence (ABC) scale. PD specific motor and balance impairment was determined by Unified PD rating scale (UPDRS). Functional mobility was measured by timed-up-and-go (TUG) test. All patients were followed for 12 months by phone interview to register monthly fall incidence. Results of stepwise discriminant analysis showed that after adjusting for the fall history ( F  = 32.57, P   <  0.001) and UPDRS motor score ( F  = 25.23, P   <  0.001), ABC score ( F  = 18.84, P   <  0.001) remained as a significant predictor of recurrent falls. We further established that a cut-off ABC score of 69 (i.e. 0–100, 0 indicates no confidence and 100 indicates full confidence) demonstrated the best sensitivity (93%) in predicting future falls in PD patients. The results indicate that those with an ABC score
ISSN:0340-5354
1432-1459
DOI:10.1007/s00415-009-5184-5