Developmental Changes in Morphology of the Middle and Posterior External Cranial Base in Modern Homo sapiens

Table 15

Principal Components of the basicranium and its regions significantly correlated with age in the regression analysis.

	Basicranium	Temporal	Occipital	Sphenoid
All populations	PC1, PC2, PC4	PC1, PC2, PC4	PC3, PC5, PC6	PC2, PC4
Alaska	PC1, PC2, PC4	PC1, PC4	PC2, PC3, PC4, PC6	PC1, PC2, PC4
Austria	PC1, PC3, PC4	PC1, PC2, PC3, PC6	PC1, PC2, PC6	PC4
Egypt	PC1	PC1	PC6	PC4
Mexico	PC1	PC1, PC2	PC3, PC4, PC6	PC4
Peru	PC1, PC2, PC3	PC1, PC6	PC1, PC2, PC5	PC4
Polynesia	PC1	PC1	PC3, PC5, PC6
Utah	PC1, PC2	PC1, PC2	PC5, PC6	PC2, PC4