highly significantP < 0.05
A highly significant trend for increasing FAM19A4 methylation with increasing histological severity (Cochran-Armitage trend test, P < 0.05), which were 10.61% (7/66), 35.48%(11/31), 56.14%(32/57), and 93.44% (57/61) in the no CIN, LSIL, HSIL, and cervical cancer groups respectively.