ALB and cervical squamous intraepithelial neoplasia: Abbreviations: CIN: Contrast-induced nephropathy, GFR: Glomerular filtration rate, CRP: C-reactive protein, BUN: Blood urea nitrogen, WBC: White blood cell, HGB:Hemoglobin, PLT:platelet, CAR: C-reactive protein/albumin ratio, NLR: Neutrophil-lymphocyte ratio