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Table 2.

Pearson correlation analysis

SiteMax. hyoid depressionTime max hyoid depressionFood velocityMax. gapeTime max. gapeMax. gape angleTime max. gape angleMax. open. gape angle velocityTime max. open. gape angle velocityTime max. close. gape angle velocityGape cycleMax. close. gape angle velocity
Site –0.7** 0.078 0.357 0.81** 0.010 0.56** –0.064 0.39* 0.51** 0.49** 0.11 –0.11 
Max. hyoid depression –0.7** 0.181 –0.07 –0.5** 0.295 –0.301 0.349 –0.299 –0.144 –0.395* 0.039 –0.013 
Time max hyoid depression 0.078 0.181 –0.14 0.268 0.72** 0.176 0.73** –0.087 0.024 0.227 0.371 –0.462* 
Food velocity 0.357 –0.070 –0.140 0.304 –0.106 0.339 –0.134 –0.143 0.420* 0.280 0.225 0.137 
Max. gape 0.81** –0.5** 0.268 0.304 0.094 0.78** 0.124 0.463* 0.482** 0.373 0.041 –0.148 
Time max. gape 0.010 0.295 0.72** –0.12 0.094 0.242 0.97** –0.153 0.049 0.068 0.211 –0.169 
Max. gape angle 0.5** –0.301 0.176 0.339 0.78** 0.242 0.267 0.423* 0.318 0.357 –0.01 0.228 
Time max. gape angle –0.064 0.349 0.72** –0.13 0.124 0.97** 0.267 –0.112 –0.019 0.025 0.324 –0.229 
Max. open. gape angle velocity 0.39* –0.299 –0.087 –0.14 0.463* –0.153 0.423* –0.112 0.105 0.143 –0.36 0.190 
Time max. open. gape angle velocity 0.51** –0.144 0.024 0.42* 0.48** 0.049 0.318 –0.019 0.105 0.424* 0.005 0.143 
Time max. close. gape angle velocity 0.49** –0.4* 0.227 0.280 0.373 0.068 0.357 0.025 0.143 0.424* 0.055 0.154 
Gape cycle 0.110 0.039 0.371 0.225 0.041 0.211 –0.014 0.324 –0.363 0.005 0.055 –0.165 
Max. close. Gape angle velocity –0.109 –0.013 –0.46* 0.137 –0.148 –0.169 0.228 –0.229 0.190 0.143 0.154 –0.17 
SiteMax. hyoid depressionTime max hyoid depressionFood velocityMax. gapeTime max. gapeMax. gape angleTime max. gape angleMax. open. gape angle velocityTime max. open. gape angle velocityTime max. close. gape angle velocityGape cycleMax. close. gape angle velocity
Site –0.7** 0.078 0.357 0.81** 0.010 0.56** –0.064 0.39* 0.51** 0.49** 0.11 –0.11 
Max. hyoid depression –0.7** 0.181 –0.07 –0.5** 0.295 –0.301 0.349 –0.299 –0.144 –0.395* 0.039 –0.013 
Time max hyoid depression 0.078 0.181 –0.14 0.268 0.72** 0.176 0.73** –0.087 0.024 0.227 0.371 –0.462* 
Food velocity 0.357 –0.070 –0.140 0.304 –0.106 0.339 –0.134 –0.143 0.420* 0.280 0.225 0.137 
Max. gape 0.81** –0.5** 0.268 0.304 0.094 0.78** 0.124 0.463* 0.482** 0.373 0.041 –0.148 
Time max. gape 0.010 0.295 0.72** –0.12 0.094 0.242 0.97** –0.153 0.049 0.068 0.211 –0.169 
Max. gape angle 0.5** –0.301 0.176 0.339 0.78** 0.242 0.267 0.423* 0.318 0.357 –0.01 0.228 
Time max. gape angle –0.064 0.349 0.72** –0.13 0.124 0.97** 0.267 –0.112 –0.019 0.025 0.324 –0.229 
Max. open. gape angle velocity 0.39* –0.299 –0.087 –0.14 0.463* –0.153 0.423* –0.112 0.105 0.143 –0.36 0.190 
Time max. open. gape angle velocity 0.51** –0.144 0.024 0.42* 0.48** 0.049 0.318 –0.019 0.105 0.424* 0.005 0.143 
Time max. close. gape angle velocity 0.49** –0.4* 0.227 0.280 0.373 0.068 0.357 0.025 0.143 0.424* 0.055 0.154 
Gape cycle 0.110 0.039 0.371 0.225 0.041 0.211 –0.014 0.324 –0.363 0.005 0.055 –0.165 
Max. close. Gape angle velocity –0.109 –0.013 –0.46* 0.137 –0.148 –0.169 0.228 –0.229 0.190 0.143 0.154 –0.17 

Log10 transformed data; significant values are shown in bold type. *P<0.05, **P<0.01, N=28

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