highly significantp ≤ 0.001
Statistical correlation analyses were performed on more than 20 points collected on calcifications and indicate highly significant positive correlation for Ca and P (Pearson r: 0.9965; p ≤ 0.001), for Ca and Mg (Pearson r: 0.9646; p ≤ 0.002), and significant negative correlation for Ca and S (Pearson r: −0.8515; p ≤ 0.05).