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Table 3 All selected parameters for each gait cluster and UPDRS-III subitem

From: Development and clinical validation of inertial sensor-based gait-clustering methods in Parkinson’s disease

Gait cluster

UPDRS-III item “gait”

UPDRS-III item “postural stability”

baseline

toe off angle (mean),

stride velocity (CV),

 

stride velocity (CV),

stride velocity (mean),

 

heel strike angle (CV),

path length (mean),

 

stride velocity (mean),

stride time (CV),

 

swing time (CV)

swing time (CV)

constant

toe off angle (mean),

stride time (CV),

 

stride velocity (mean),

stride velocity (mean),

 

stride time (CV),

path length (mean),

 

path length (mean),

stride velocity (CV),

 

heel strike angle (CV),

toe off angle (mean),

 

toe off angle (CV)

stride length (mean)

non-constant

toe off angle (mean),

stride velocity (CV),

 

stride velocity (mean),

stride velocity (mean),

 

heel strike angle (CV),

path length (mean),

 

path length (mean),

stride length (mean),

 

stride length (mean)

toe off angle (mean)

turning

path length (mean),

stride length (mean),

 

stride length (mean),

number of strides,

 

stride velocity (mean),

path length (mean),

 

number of strides,

stride velocity (mean),

 

turning time

turning time

  1. Note that for the gait clusters constant and non-constant more than 5 parameters could be listed since different clustering methods might lead to different parameter choices