Table 4. Symmetric Procrustes ANOVA with device and sex as factors to assess relative contribution of intra-specific variation to overall shape variation.

This Procrustes ANOVA allows comparison of the relative contribution to total variation from scan device and sex (R-squared column).

	Df	SS	MS	Rsq	F	Z	Pr(>F)
Device	1	2.99E−03	2.99E−03	0.0646	4.84	4.06	0.001
Sex	1	4.40E−03	4.40E−03	0.0952	7.14	4.96	0.001
Residuals	63	3.88E−02	6.16E−04
Total	65	4.62E−02