highly significantp<0.0001
The first principal component (PC1) accounted for 31.2% of the variance and showed a highly significant age trend (p<0.0001) with an r value of −0.55.
The first principal component (PC1) accounted for 31.2% of the variance and showed a highly significant age trend (p<0.0001) with an r value of −0.55.