IFNG and cervical squamous intraepithelial neoplasia: Furthermore, IFN-γ expression in the high-grade CIN subgroup (n = 15) was increased significantly compared to the HPV-negative group (n = 24) (mean, 0.1081 vs. 0.0339, p = 0.027) but was similar to expression in the NCT to low-grade CIN subgroup (n = 27) (mean, 0.1081 vs. 0.0903, p = 0.534).