KITLG and cervical squamous intraepithelial neoplasia: Notably, the AUC of PRF (AUC = 0.809, 95% CI: 0.753–0.865) was significantly higher than the AUCs of SCF (AUC = 0.490, 95% CI: 0.419–0.561), IPF (AUC = 0.594, 95% CI: 0.531–0.656), and ECF (AUC = 0.512, 95% CI: 0.440–0.584) in predicting CIN.