highly significantp < 0.001
With both PCDH10 and RASSF1A , methylation was very rare in controls (2.97% and 5.45%, respectively), but exceedingly common in cancer cases (94.06% in PCDH10 and 83.17% in RASSF1A ) with highly significant differences ( p < 0.001) using the chi-square test ( Fig. 2 ).