Main outcome measure Relatie sensitiity for cerical intraepithelial neoplasia of grade 2 or more at blindly reiewed histology, with atypical cells of undetermined significance or more seere cytology considered a positie result.

• 主要观测指标：液基细胞学检出盲法观察组织学为2级或2级以上宫颈上皮内瘤相对灵敏度，不典型增生细胞或较严重细胞学异常认为阳性结果。