text_1: Primary cervical cancer screening with HPV detection has higher longitudinal sensitivity than conventional cytology to detect cervical intraepithelial neoplasia grade 2.
text_2: Pooling both phases, the detection ratio of CIN2 for women aged 25-34 years was 4.09 (2.24-7.48) at round one and 0.64 (0.23-1.27) at round two.