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Table 1 The differences in pressure variables according to aeroball usage

From: The effects of the aeroball on plantar pressure during isometric hip contractions

dependent variable N Mean(±SD) mean diff. t P
wob_Length_of_x_axis 39 8.79(±2.28) -1.49 -3.680 .001**
aeroball_Length_of_x_axis   10.27(±2.62)    
wobl_Length_of_y_axis 39 15.15(±6.90) -2.46 -2.130 .040*
aeroball_Length_of_y_axis   17.61(±6.06)    
wob_Path area 39 111.77(±73.44) -36.32 -2.619 .013*
aeroball_Path area   148.09(±77.24)    
wob_Path_length 39 297.01(±108.37) -83.05 -3.804 .001**
aeroball_Path_length   380.07(±150.65)    
wob_Average_Velocity 39 10.09(±3.67) -2.82 -3.803 .001**
aeroball_Average_Velocity   12.91(±5.12)    
  1. *p<.05, **p<.01
  2. wob; without ball