Relationship Between Observational Wisconsin Gait Scale, Gait Deviation Index And Gait Variability Index In Individuals After Stroke

Publication date: Available online 26 January 2019

Source: Archives of Physical Medicine and Rehabilitation

Author(s): Agnieszka Guzik, Mariusz Drużbicki, Lorenza Maistrello, Andrea Turolla, Michela Agostini, Paweł Kiper

Abstract

Objective

To compare results of the observational Wisconsin Gait Scale (WGS) and global gait indexes such as GDI/GVI, constituting an objective method of assessing gait, and taking into account parameters identified during 3-dimensional gait analysis.

Design

A validation study.

Setting

Rehabilitation Clinic.

Participants

50 individuals after a stroke and 50 healthy individuals without gait disorders

Interventions

Not applicable.

Main Outcome Measures

Gait was evaluated using the WGS. GDI and GVI values were acquired using a movement analysis system. The global gait indexes GDI and GVI were determined based on the kinematic and spatiotemporal parameters respectively.

Results

The study showed statistically significant correlations between the parameters of GDI affected leg and WGS total score (R=-0.87), GVI affected leg and WGS total score (R=-0.93), GVI unaffected leg and WGS total score (R=-0.88), GVI affected/unaffected leg and the total score in the assessment of spatiotemporal parameters on the WGS (R=-0.81) as well as GDI affected leg and the total score in the assessment of kinematics parameters on the WGS (R=-0.85). All correlations were strong (0.7≤|R|<0.9) or very strong (0.9≤|R|<1).

Conclusions

WGS scores have a strong or very strong correlation with GDI and GVI. The WGS may be recommended as a substitute tool to be used when 3DGA is unavailable, as it is a useful ordinal scale, enabling simple and accurate observational assessment of gait in patients after stroke, with effectiveness that is comparable to the GDI and GVI indexes.

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