Objective Gait and Balance Impairments Relate to Balance Confidence and Perceived Mobility in People With Parkinson Disease

Carolin Curtze; John G. Nutt; Patricia Carlson-Kuhta; Martina Mancini; Fay B. Horak

doi:10.2522/ptj.20150662

Figures

Figure 2.

Polar plot comparing Spearman correlation of (A) Activities-specific Balance Confidence scale (ABC scale) and (B) mobility domain of the Parkinson's Disease Questionnaire (PDQ-39 mobility) with measures of gait and balance function in the off- and on-medication states. Absolute values given. See Appendix for description of measures.

Figure 3.

Polar plot comparing Spearman correlation of motor Unified Parkinson's Disease Rating Scale (UPDRS), part III (off medication state) with measures of gait and balance function in the off- and on-medication states. Absolute values given. See Appendix for description of measures.

Figure 1.

Instrumented Stand and Walk Test (ISAW). Color-coded circles indicate the placement of inertial sensors used for the determination of the various measures of balance and gait.¹⁸ See Appendix for description of measures.

Tables

Table 1.

Participant Characteristics (N=104)^{^a}

↵^a Measurements reported as mean±SD (range) unless otherwise stated. ABC scale=Activities-specific Balance Confidence scale, AIMS=Abnormal Involuntary Movement Scale, UPDRS=Unified Parkinson's Disease Rating Scale, PIGD=Postural Instability and Gait Difficulty, PDQ-39=Parkinson's Disease Questionnaire.

Table 2.

Spearman Correlations of Gait and Balance Function (Off- and On-Medication States), Patient Perception, and Clinical Rating^{^a}

↵^a ABC scale=Activities-specific Balance Confidence scale, UPDRS=Unified Parkinson's Disease Rating Scale, PDQ-39=Parkinson's Disease Questionnaire. P values <.05 are bolded. See Appendix for description of measures.

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Objective Gait and Balance Impairments Relate to Balance Confidence and Perceived Mobility in People With Parkinson Disease

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