APOA1 and cervical squamous intraepithelial neoplasia: Concentration of HDL cholesterol was significantly lower (1.4 (1.3-1.6) mmol/L vs. 1.8 (1.5-2.0) mmol/L, P < 0.001)) while the concentration of apoAI (1.88 (1.74-2.07) g/L vs. 1.73 (1.58-1.99) g/L, P = 0.006)) was significantly higher in patients with CIN.