Table 3.

Correlation and inferential analysis between the Angle class and the foot’s biomechanics.

Foot’s Biomechanics	Right Molar p-Value	Left Molar p-Value	Right Canine p-Value	Left Canine p-Value
Right FPI	0.209	0.061	0.115	0.244
Left FPI	0.159	0.036 *	0.318	0.502
Right scaphoid height	0.565	0.643	0.048 *	0.148
Left scaphoid height	0.585	0.278	0.981	0.739
Right global strength	0.780	0.871	0.110	0.079
Left global strength	0.780	0.871	0.110	0.079
Pressure 1° right metatarsal	0.053	0.021	0.229	0.450
Pressure 1° left metatarsal	0.937	0.541	0.850	0.411
Pressure 5° right metatarsal	0.096	0.001	0.718	0.219
Pressure 5° left metatarsal	0.180	0.270	0.550	0.720
Right heel pressure	0.013	0.558	0.045 *	0.045 *
Left heel pressure	0.270	0.098	0.100	0.673
Right heel support phase	0.264	0.334	0.334	0.530
Left heel support phase	0.647	0.824	0.008 **	0.133
Right plantigrade phase	0.320	0.007 **	0.009 **	0.024 *
Left plantigrade phase	0.256	0.021 **	0.050 *	0.029 *
Right propulsive phase	0.402	0.699	0.323	0.735
Left propulsive phase	0.001 **	0.005 **	0.003 **	0.173
Right contact surface	0.014 *	0.044 *	0.191	0.284
Left contact surface	0.001 **	0.011 *	0.030 *	0.007 **
Centre of gravity	0.0001 ***	0.0001 ***	0.0001 ***	0.0001 ***

FPI—Foot Posture Index, * Kruskal–Wallis Test. Significance set at p < 0.05. * p < 0.05; ** p < 0.01; *** p < 0.001.