CTHRC1 and cervical squamous intraepithelial neoplasia: The results showed the serum CTHRC1 levels of cervical cancer patients, CIN patients and healthy people are 12.1 ± 0.89 ng/ml, 8.157 ± 0.5100 ng/ml and 7.525 ± 0.4762 ng/ml, respectively.