Table 4.

Correlation-like statistic derived from the symmetric Procrustes sum of squares (m₁₂) and Pearson correlation. Unmarked values are significant at P < 0.001 (10 000 permutations)

Structure	No. of points	No. of PC	BE – D	P – BE	P – D
Upper first molar	80	1	−0.99	−0.99	−0.99
	80	2	0.97	0.98	0.98
	80	all	0.96	0.96	0.98
	40	1	−0.96	0.95	−0.99
	40	2	0.94	0.95	0.99
	40	all	0.95	0.94	0.98
Facial skeleton 30 (CH)	82	1	−0.32*	0.45*	−0.18*
	82	2	0.88	0.59	0.55
	82	3	0.82	0.83	0.77
	82	all	0.95	0.92	0.93
	44	1	−0.37**	−0.61*	0.22*
	44	2	0.86	0.51	0.53
	44	3	0.81	0.82	0.79
	44	all	0.95	0.93	0.94
Facial skeleton 56 (CH, RNa and RNb)	82	1	−0.90	−0.14*	0.11*
	82	2	0.94	0.73	0.68
	82	3	0.75	0.86	0.67
	82	all	0.94	0.92	0.92
	44	1	0.90	−0.26*	−0.09*
	44	2	0.92	0.74	0.70
	44	3	0.92	0.70	0.71
	44	all	0.95	0.93	0.92

P, partial Procrustes superimposition without semi-landmark alignment; BE, minimum bending energy; D, minimum Procrustes distance.

^*Non-significant

^**significant at P = 0.05.