Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Incidence rates of cervical intraepithelial neoplasia 2 or 3 (CIN 2/3) per 1000 women by index diagnosis among women under active surveillance in the CIN and comparison (COMP) cohorts. The index event was treatment for the CIN cohort and normal cytology result at entry for the comparison cohort. Error bars = 95% confidence intervals.
