IL6 and cervical squamous intraepithelial neoplasia: Women with CIN (18.19 ± 12.58 pg/mL) had significantly higher IL-6 levels in their peripheral blood than did controls (11.29 ± 6.36 pg/mL); IL-6 levels were highest in women with CC (23.67 ± 11.36 pg/mL).