Table 2. Correlation coefficients and p-values of the mtDNA haplogroups significantly correlated to the two principal axes in the PCA from the ancient populations.

Component	Haplogroup	Correlation	p-value
PC1	K	−0.621	2.65E-03
	T2	−0.604	3.76E-03
	J	−0.592	4.67E-03
	X	−0.589	4.99E-03
	N1a	−0.561	8.17E-03
	C	0.558	8.64E-03
	U2	0.682	6.66E-04
	U4	0.735	1.49E-04
	U5a	0.836	2.36E-06
PC2	HV	−0.526	0.0142
	T1	−0.463	0.0347
	U	0.524	0.0147
	N	0.538	0.0119
	U5b	0.690	0.0006