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