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.
Forest plots of SEN (a) and SPE (b) for diagnostic value of ctDNA assay for CRC in the SEPT-9 methylation detection subgroup. 95% CI, 95% confidence interval; CRC, colorectal cancer; ctDNA, circulating tumor DNA; SEN, sensitivity; SPE, specificity; diamond shapes representing average effect; dark blue squares representing individual study results.
