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sift:gait_measures:gait_measures [2024/11/05 18:10] wikisysopsift:gait_measures:gait_measures [2024/11/06 17:00] (current) wikisysop
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 ==== Gait Deviation Index ==== ==== Gait Deviation Index ====
  
-Sift offers a Gait Deviation Index (GDI) calculation that allows the users to find GDI scores using left/right Link_Model_Based signals in the underlying CMZ data and a normative database. Further information on GDI can be found [[Sift:Gait_Measures:Gait_Profile_Score|here]]. The GDI values are stored in the underlying c3d data files and are queried into Sift for each CMZ workspace.+Sift offers a Gait Deviation Index (GDI) calculation that allows the users to find GDI scores using left/right Link_Model_Based signals in the underlying CMZ data and a normative database. Further information on GDI can be found [[Sift:Gait_Measures:Gait_Deviation_Index|here]]. The GDI values are stored in the underlying c3d data files and are queried into Sift for each CMZ workspace.
  
  
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 The GDI compares left and right signals within gait cycles against a normal dataset. The GDI dialog lets the user decide which events they wish to define gait cycles with. The GDI compares left and right signals within gait cycles against a normal dataset. The GDI dialog lets the user decide which events they wish to define gait cycles with.
  
-The **normalization points** input defaults to 51 points based on literature recommendation ( [[Sift:Gait_Measures:Gait_Profile_Score|see more here]]), but can be changed by the user.+The **normalization points** input defaults to 51 points based on literature recommendation ( [[Sift:Gait_Measures:Gait_Deviation_Index|see more here]]), but can be changed by the user.
  
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 GDI values are stored as metric signals, and can be plotted in Sift. The following figures show two examples of ways to compare total GDI scores and individual Left vs Right GDI scores. Further Queries could be defined to compare different conditions or sub-groups in the data set ([[Other:Inspect3D:Documentation:Dialogs:Advanced_Query_Section|defining queries]]). GDI values are stored as metric signals, and can be plotted in Sift. The following figures show two examples of ways to compare total GDI scores and individual Left vs Right GDI scores. Further Queries could be defined to compare different conditions or sub-groups in the data set ([[Other:Inspect3D:Documentation:Dialogs:Advanced_Query_Section|defining queries]]).
  
-{{sift:gait_measures:gpsresults.png}} {{sift:gait_measures:leftvsrightGPS.png}}+{{sift:gait_measures:gdiresults.png}} {{sift:gait_measures:leftvsrightGDI.png}}
  
sift/gait_measures/gait_measures.1730830218.txt.gz · Last modified: 2024/11/05 18:10 by wikisysop